Keymap: Added personal layout for FC660C (#3834)

* - Fixed DK60 version in config.h

* - Updated dk60 readme with new QMK rules

* - Fixed wording in readme

* Added dbroqua layout for DZ60

I've also updated dz60.h to add "true HHKD" keymap definition (6U
spacebar).

With the default HHKB definition r_alt was not mapped and when I pressed
r_menu it was r_alt.

Regards

* Updated dbroqua layout for HHKB keyboard

Added default configuration and alternate (swap gui/alt keys).

Save user choice in keyboard memory (like plank, thanks for this
feature!).

* Added dbroqua layout for Iris keyboard

* Updated layout and fixed includes

* Added personal layout for FC660C

keyboards/fc660c/keymaps/dbroqua/keymap.c

@@ -0,0 +1,47 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  /* BASE layer: Default Layer
+   * ,--------------------------------------------------------------------------------------------------.
+   * | Esc |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  | Backspace |  | Ins |
+   * |-----------------------------------------------------------------------------------------+  +-----+
+   * | Tab    |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |  [  |  ]  |  Bksp  |  | Del |
+   * |-----------------------------------------------------------------------------------------+  +-----+
+   * | Ctrl    |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  ;  |  '  |    Enter    |
+   * |--------------------------------------------------------------------------------------------+
+   * | Shift      |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  ,  |  .  |  /  | Shift       | Up  |
+   * +--------------------------------------------------------------------------------------------+-----+
+   * | Ctrl  | Gui   | Alt  |               Space                | Alt  | Gui  | Fn   | Left| Down|Right|
+   * `--------------------------------------------------------------------------------------------------´
+   */
+  [0] = LAYOUT(
+        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_BSPC,     KC_INS,
+        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_BSLS,     KC_DEL,
+        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_N,   KC_M,   KC_COMM,KC_DOT, KC_SLSH,KC_RSFT,     KC_UP,
+        KC_LCTL,KC_LGUI,KC_LALT,          KC_SPC,                       KC_RALT,KC_RCTL,MO(1),      KC_LEFT,KC_DOWN,KC_RGHT
+    ),
+  /* FN layer
+   * ,--------------------------------------------------------------------------------------------------.
+   * | `  | F1  | F2  | F3  | F4  | F5  | F6  | F7  | F8  | F9  | F10 | F11 | F12 |            |  |     |
+   * |-----------------------------------------------------------------------------------------+  +-----+
+   * |        |     |     |     |     |     |     |     |PrtSc| Slck| Paus|     |     |        |  |     |
+   * |-----------------------------------------------------------------------------------------+  +-----+
+   * |         | Vol-| Vol+| Mute|Eject|     |     |     | Home| PgUp|     |     |             |
+   * |--------------------------------------------------------------------------------------------+
+   * |            | Prev| Play| Next|     |     |     |     | End | PgDn|     |             |     |
+   * +--------------------------------------------------------------------------------------------+-----+
+   * |       |       |      |                                    |      |      |      |     |     |     |
+   * `--------------------------------------------------------------------------------------------------´
+   */
+  [1] = LAYOUT(
+        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_F12, _______,     _______,
+        _______,_______,_______,_______,_______,_______,_______,_______,KC_PSCR,KC_SLCK,KC_PAUS,_______,_______,_______,     _______,
+        _______,KC_VOLD,KC_VOLU,KC_MUTE,KC_EJCT,_______,_______,_______,KC_HOME,KC_PGUP,_______,_______,     _______,
+        _______,KC_MPRV,KC_MPLY,KC_MNXT,_______,_______,_______,_______,KC_END, KC_PGDN,_______,_______,     _______,
+        _______,_______,_______,                _______,                _______,_______,MO(1),       _______,_______,_______
+    )
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+};