[keymap] ninjonas userspace and keymaps for hotdox, lily58, & pinky3 (#6649)

* [keyboard] introducing ninjonas userspace & keymaps for hotdox, lily58, and pinky3

* [fix(#6649)] removed M_EPRM and used builtin EEP_RST keycode as-per review.

* [chore(#6649)] forgot to update keymap legend on lily58

users/ninjonas/process_records.h

@@ -0,0 +1,24 @@
+#pragma once
+#include "ninjonas.h"
+
+enum custom_keycodes {
+  // Layer Macros
+  QWERTY = SAFE_RANGE,
+  DVORAK,
+  COLEMAK,
+  // Custom Macros
+  M_ZOOM,
+  M_PYNV,
+  M_SHFT,
+  M_MAKE,
+  M_FLSH,
+  M_VRSN,
+  M_CODE,
+};
+
+#ifdef SSD1306OLED
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+#endif
+
+bool process_record_secrets(uint16_t keycode, keyrecord_t *record);
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record);