add VIA support for boardsource/5x12 (qmk#10236)

* add via support for boardsource/5x12

* make product id for 5x12 unique (there is already an 0x0512) by setting it to 0x5012

* un-swap the readme's for 3x4 and 5x12

* Update keyboards/boardsource/5x12/config.h

update vendor id

* Update keyboards/boardsource/5x12/keymaps/via/keymap.c

use correct number of layers for VIA

* update product id to use same pattern as others

* Update keyboards/boardsource/5x12/keymaps/via/readme.md

* Update keyboards/boardsource/5x12/keymaps/via/readme.md

keyboards/boardsource/5x12/config.h

@@ -3,8 +3,8 @@
 #include "config_common.h"
 
 /* USB Device descriptor parameter */
-#define VENDOR_ID       0xF7E0
-#define PRODUCT_ID      0x0412
+#define VENDOR_ID       0x4273 // "Bs" - Boardsource
+#define PRODUCT_ID      0x0512
 #define DEVICE_VER      0x0000
 #define MANUFACTURER    Boardsource
 #define PRODUCT         5x12

keyboards/boardsource/5x12/keymaps/via/keymap.c

@@ -0,0 +1,46 @@
+#include QMK_KEYBOARD_H
+
+enum layers {
+    _MAIN,
+    _RAISE,
+    _LOWER,
+};
+
+// Readability keycodes
+#define LOWER   MO(_LOWER)
+#define RAISE   MO(_RAISE)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [_MAIN] = LAYOUT_ortho_5x12(
+  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_DEL,
+  KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
+  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT,
+  KC_PIPE, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
+  ),
+
+  [_RAISE] = LAYOUT_ortho_5x12(
+  KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,
+  KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL,
+  _______, KC_4,    KC_5,    KC_6,    KC_PLUS, KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, _______,
+  KC_ENT,  KC_7,    KC_8,    KC_9,    KC_MINS, KC_F11,  KC_F12,  KC_NUHS, KC_NUBS, KC_MUTE, _______, KC_BSLS,
+  RESET,   _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
+  ),
+
+  [_LOWER] = LAYOUT_ortho_5x12(
+  KC_ESC,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,
+  _______, _______, _______, _______, _______, _______, _______, _______, KC_UP,   _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______,
+  KC_CAPS, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  RESET,   _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
+  ),
+  [3] = LAYOUT_ortho_5x12(
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+  )
+
+};

keyboards/boardsource/5x12/keymaps/via/readme.md

@@ -0,0 +1,5 @@
+# The via keymap for boardsource 5x12 ortholinear keyboard
+
+This folder contains the [VIA](https://caniusevia.com/) configuration for the boardsource 5x12 ortholinear keyboard
+
+Maintained by: [gwillad](https://github.com/gwillad)

keyboards/boardsource/5x12/keymaps/via/rules.mk

@@ -0,0 +1 @@
+VIA_ENABLE = yes