Add peterfalken userspace & keymaps (#19897)

Co-authored-by: Peter.Falken <luis.garcia@bitjester.com>

users/peterfalken/peterfalken.h

@@ -0,0 +1,27 @@
+// Copyright 2023 Peter.Falken (@PeterFalken)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+#include QMK_KEYBOARD_H
+
+#ifndef CUSTOM_KEYMAP_LAYERS
+ enum default_layers {
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _ADJUST
+ };
+#endif  // CUSTOM_KEYMAP_LAYERS
+
+// Custom definitions for keys
+#define CK_CW  CW_TOGG     // CAPS_WORD for Caps Word feature
+#define CK_SLP KC_SLEP     // System Sleep
+#define CK_M1  C(KC_DOWN)  // Mission Control - One apps
+#define CK_CO  KC_COPY     // COPY = CMD + C
+#define CK_CU  KC_CUT      // CUT = CMD + X
+#define CK_MV  LAG(KC_V)   // MOVE = CMD + OPT + V
+#define CK_PA  KC_PASTE    // PASTE = CMD + V
+
+// Layer activation
+#define LOWER  MO(_LOWER)
+#define RAISE  MO(_RAISE)