Fix Mbsurfer deltasplit75 keymap (#3262)

* Add mbsurfer keymap for DeltaSplit75 with ANSI split backspace

* Update mbsurfer DeltaSplit75 keymap to include right hand arrow cluster

* Update mbsurfer DS75 keymap, move volume down to be symmetrical

* Add readme to Mbsurfer DS75 keymap

* Fix Mbsurfer DS75 keymap image

* Clean up mbsurfer DeltaSplit75 keymap, add layer overview comments

* Fix volume down and add mute to fn layer

keyboards/deltasplit75/keymaps/mbsurfer/keymap.c

@@ -10,22 +10,53 @@ extern keymap_config_t keymap_config;
 // entirely and just use numbers.
 
 // Fillers to make layering more clear
+#define _______ KC_TRNS
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-	KEYMAP_V2(
+  /* Layer 0: Default Layer
+   * ,----------------------------     ----------------------------------------.
+   * |Esc| F1| F2| F3| F4| F5| F6|     |F7| F8| F9| F10| F11| F12|Prnt|Ins|Home|
+   * |----------------------------     ----------------------------------------|
+   * |  `|  1|  2|  3|  4|  5|  6|     | 7|  8|  9|  0|  -|  =|  \|   Del|  End|
+   * |--------------------------     ------------------------------------------|
+   * |Tab  |  Q|  W|  E|  R|  T|     | Y|  U|  I|  O|  P|  [|  ]|   BkSp | PgUp|
+   * |--------------------------     ------------------------------------------|
+   * |Ctrl|  A|  S|  D|  F|  G|       | H|  J|  K|  L|  ;|  '|   Enter   | PgDn|
+   * |----------------------------    -----------------------------------------|
+   * |Shift   |  Z|  X|  C|  V|  B|    | N|  M|  ,|  .|  /|  Shift |  Up|   FN1|
+   * |-----------------------------    ----------------------------------------|
+   * |Ctrl |Gui |Alt |Space |FN1 |     | Space | Alt| Gui| Ctrl| Lef | Dow |Rig|
+   * `----------------------------     ----------------------------------------'
+   */
+	LAYOUT_v2(
 		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_F12, KC_INS, KC_PAUSE, KC_HOME,
 		KC_GRV, 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_BSLS, KC_DEL, KC_END,
 		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_PGUP,
-		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_TRNS, KC_ENT, KC_PGDN,  //modify KC_TRNS to enable ISO Support
-		KC_LSFT, KC_TRNS, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_TRNS, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_LSFT, KC_UP, MO(1), //modify KC_TRNS to enable ISO Support
+		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_PGDN,  //modify _______ to enable ISO Support
+		KC_LSFT, _______, KC_Z, KC_X, KC_C, KC_V, KC_B, _______, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_LSFT, KC_UP, MO(1), //modify _______ to enable ISO Support
 		KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, MO(1), KC_SPC, KC_RALT, KC_RGUI, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT),
 
-	KEYMAP_V2(
-		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET,
-		KC_BSLS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-		KC_CAPSLOCK, KC_VOLU, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS,
-		M(1), KC_LEFT, KC_DOWN, KC_RGHT, KC_PAUS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LEFT, KC_RIGHT, KC_TRNS, KC_TRNS, KC_TRNS,
-		KC_TRNS, KC_VOLD, KC_TRNS, M(0), KC_PSCR, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_DOWN, KC_TRNS, KC_TRNS, KC_TRNS,
-		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+  /* Layer 1: FN1 Layer
+   * ,----------------------------        -------------------------------------.
+   * |   |   |   |   |   |   |   |        |   |   |   |    |    |    |   |Reset|
+   * |----------------------------        -------------------------------------|
+   * | \ |   |   |   |   |   |   |        |   |   |   |   |   |   |       |    |
+   * |----------------------------      ---------------------------------------|
+   * |Caps|VolUp| Up |  |  |  |         |   |   |   |   |  Up|    |       |    |
+   * |---------------------------       ---------------------------------------|
+   * |      |Lft|Dwn|Rig|   |    |        |   |   |   |Lft|Rig|           |    |
+   * |----------------------------        -------------------------------------|
+   * |      |VolDn|Mute|  |  |   |        |    |    |    |Dwn|       |    |    |
+   * |----------------------------     ----------------------------------------|
+   * |    |   |   |         |   |      |         |     |     |       |    |    |
+   * `---------------------------      ----------------------------------------'
+   */
+	LAYOUT_v2(
+		_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RESET,
+		KC_BSLS, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+		KC_CAPSLOCK, KC_VOLU, KC_UP, _______, _______, _______, _______, _______, _______, _______, _______, KC_UP, _______, _______, _______,
+		M(1), KC_LEFT, KC_DOWN, KC_RGHT, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_RIGHT, _______, _______, _______,
+		_______, _______, KC_VOLD, KC_MUTE, _______, _______, _______, _______, _______, _______, _______, _______, KC_DOWN, _______, _______, _______,
+		_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______),
 
 };