Add visual representation for mechmerlin layout

Add navigation keys to keymap

keyboards/eagle_viper/v2/keymaps/mechmerlin/keymap.c

@@ -26,9 +26,9 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
     [1] = KEYMAP(\
         KC_TRNS, 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_TRNS, KC_DEL,
-        RGB_TOG, RGB_MOD, RGB_VAI, KC_TRNS, RESET,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
-        KC_CAPS, 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_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MUTE, KC_VOLD, KC_VOLU, KC_TRNS, KC_TRNS, KC_TRNS,
+        RGB_TOG, RGB_MOD, RGB_VAI, KC_TRNS, RESET,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PGUP, KC_TRNS, KC_TRNS,
+        KC_CAPS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_HOME, KC_END, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MUTE, KC_VOLD, KC_VOLU, KC_PGDN, KC_TRNS, KC_TRNS,
         KC_TRNS, KC_TRNS, KC_TRNS,                TG(2),                                 KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
 
     [2] = KEYMAP(\

keyboards/eagle_viper/v2/keymaps/mechmerlin/readme.md

@@ -3,6 +3,8 @@ MechMerlin's Duck Eagle V2 Layout
 
 This is the preferred 60% layout used by u/merlin36, host of the MechMerlin YouTube channel.
 
+![Duck Eagle V2 Layout](https://imgur.com/a/aCUDS.png)
+
 ## Keymap Notes
 - Highly influenced by the KBP V60 and WKL B.Face standard layouts
 - Does not support any form of inswitch lighting as Merlin hates them.