[Keyboard] Add OSA keyboard (#6849)

* initial commit

restart of osa development

* minor changes

Minor changes
mostly changing naming and comment out rgb modes

* initial commit

restart of osa development

* minor changes

Minor changes
mostly changing naming and comment out rgb modes

* more minor changes

comment out some functions
correct some spelling errors
change some of the descriptive text

* Minor Changes

Minor changers per PR requests

* Minor Changes

Minor changes per PR suggestions

* Major Changes

Per PR suggestion from noroadsleft:

- changed macro to LAYOUT_all in info.json, dualsplit/keymap.c and ocm/keymap.c, and osa.h

- added osa.h macros for other layouts per suggestion and used suggested naming

-  changed naming of layout macros to correspond to macros and naming in default/keymap.c, dualsplit/keymap.c, ocm/keymap.c, splitbs/keymap.c, and splitrs/keymap.c

- removed duplicate layers from all keymaps and edited per suggestions

- compiled each keymap to check for and correct any potential errors. all compiled with no errors

* Minor Change

- fixed imgur image link in readme.md to be correct format

* Minor Changes

changes to macro layouts in osa.h
changes to dualsplit/keymap.c - added arrows to layer 1

* Changes

- Made changes to info.json to match osa.h
- changes to osa.c enabling indicator LEDs
- changed "dualsplit" directory name to "all" to match keymap naming in osa.h, info.json, and keymap.c
- minor changes to all/keymap.c

* Update keyboards/sck/osa/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/sck/osa/readme.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Changes to info.json

- revert to info.json from version in b3b49c3 per requested changes

3 files changed, 123 insertions, 0 deletions

diff --git a/keyboards/sck/osa/keymaps/splitbs/config.h b/keyboards/sck/osa/keymaps/splitbs/config.h
new file mode 100644
index 0000000000..499a4753f4
--- /dev/null
+++ b/keyboards/sck/osa/keymaps/splitbs/config.h
@@ -0,0 +1,19 @@
+/* Copyright 2019 jrfhoutx
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// place overrides here
diff --git a/keyboards/sck/osa/keymaps/splitbs/keymap.c b/keyboards/sck/osa/keymaps/splitbs/keymap.c
new file mode 100644
index 0000000000..528e45329b
--- /dev/null
+++ b/keyboards/sck/osa/keymaps/splitbs/keymap.c
@@ -0,0 +1,103 @@
+/* Copyright 2019 jrfhoutx
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+// Defines the keycodes used by our macros in process_record_user
+//enum custom_keycodes {
+//  QMKBEST = SAFE_RANGE,
+//  QMKURL
+//};
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Keymap BASE: (Base Layer) Default Layer
+   * .----.,----------------------------------------------------------------------.
+   * | M1 ||Esc| 1 |  2|  3|  4|  5|  6|          |  7|  8|  9|  0|  -|  =| ~ | \ |
+   * |----||----------------------------------------------------------------------|
+   * | M2 ||Tab  |  Q|  W|  E|  R|  T|          |  Y|  U|  I|  O|  P| [ | ] |BkSpc|
+   * |----||----------------------------------------------------------------------|
+   * | M3 ||Ctrl   |  A|  S|  D|  F|  G|          |  H|  J|  K|  L|  ;|  '|Return |
+   * `----'|----------------------------------------------------------------------|
+   *       |Shift   |  Z|  X|  C|  V|  B|     |  B|  N|  M|  ,|  .|  /|Shift      |
+   *       |----------------------------------------------------------------------|
+   *       |CAPS|    | Alt | Space | Fn |     | Space | Alt |               | Ctrl|
+   *       `----------------------------------------------------------------------'
+   */
+[0] = LAYOUT_split_backspace( /* OSA Base */
+	KC_DEL,   KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,   KC_5,   KC_6,              KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_GRV,  KC_BSLS,
+	KC_PGUP,  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,   KC_T,    					 KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
+	KC_PGDN,  KC_LCTL, KC_A,    KC_S,    KC_D,    KC_F,   KC_G,    					 KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+	          KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,   KC_B,	                     KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,          KC_RSFT,
+	          KC_LCTL,          KC_LALT,          KC_SPC, MO(1),                     KC_SPC,                    KC_RALT,                            KC_RCTL
+  ),
+/* Keymap BASE: (Base Layer) Default Layer
+   * .----.,----------------------------------------------------------------------.
+   * | M1 ||Esc| 1 |  2|  3|  4|  5|  6|          |  7|  8|  9|  0|  -|  =| ~ | \ |
+   * |----||----------------------------------------------------------------------|
+   * | M2 ||Tab  |  Q|  W|  E|  R|  T|          |  Y|  U|  I|  O|  P| [ | ] |BkSpc|
+   * |----||----------------------------------------------------------------------|
+   * | M3 ||Ctrl   |  A|  S|  D|  F|  G|          |  H|  J|  K|  L|  ;|  '|Return |
+   * `----'|----------------------------------------------------------------------|
+   *       |Shift   |  Z|  X|  C|  V|  B|     |  B|  N|  M|  ,|  .|  /|Shift      |
+   *       |----------------------------------------------------------------------|
+   *       |CAPS|    | Alt | Space | Fn |     | Space | Alt |               | Ctrl|
+   *       `----------------------------------------------------------------------'
+   */
+[1] = LAYOUT_split_backspace( /* OSA Layer 1 */
+	KC_DEL,   KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,   KC_5,   KC_6,              KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_GRV,  KC_BSLS,
+	KC_PGUP,  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,   KC_T,    					 KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
+	KC_PGDN,  KC_LCTL, KC_A,    KC_S,    KC_D,    KC_F,   KC_G,    					 KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+	          KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,   KC_B,	                     KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,          KC_RSFT,
+	          KC_LCTL,          KC_LALT,          KC_SPC, _______,                     KC_SPC,                    KC_RALT,                            KC_RCTL
+  ),
+};
+
+
+
+
+//bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+//  switch (keycode) {
+//    case QMKBEST:
+//      if (record->event.pressed) {
+//        // when keycode QMKBEST is pressed
+//        SEND_STRING("QMK is the best thing ever!");
+//      } else {
+//       // when keycode QMKBEST is released
+//      }
+//      break;
+//    case QMKURL:
+//      if (record->event.pressed) {
+//        // when keycode QMKURL is pressed
+//       SEND_STRING("https://qmk.fm/" SS_TAP(X_ENTER));
+//      } else {
+//        // when keycode QMKURL is released
+//     }
+//      break;
+//  }
+//  return true;
+//}
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}
diff --git a/keyboards/sck/osa/keymaps/splitbs/readme.md b/keyboards/sck/osa/keymaps/splitbs/readme.md
new file mode 100644
index 0000000000..33fb31b336
--- /dev/null
+++ b/keyboards/sck/osa/keymaps/splitbs/readme.md
@@ -0,0 +1 @@
+# The split backspace keymap for osa