Six Pack and ortho_ layout updates (#13587)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Suschman <suschman@gmail.com>

layouts/default/ortho_2x6/default_ortho_2x6/keymap.c

@@ -0,0 +1,15 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /*
+     * ┌───┬───┬───┬───┬───┬───┐
+     * │ A │ B │ C │ D │ E │ F │
+     * ├───┼───┼───┼───┼───┼───┤
+     * │ G │ H │ I │ J │ K │ L │
+     * └───┴───┴───┴───┴───┴───┘
+     */
+    [0] = LAYOUT_ortho_2x6(
+        KC_A,    KC_B,    KC_C,    KC_D,    KC_E,    KC_F,
+        KC_G,    KC_H,    KC_I,    KC_J,    KC_K,    KC_L
+    )
+};