Keymap: Add Planck keymap (#4154)

* remove clmk and dvrk and backlight; switch esc and enter to be modtap; add meh key

* change songs

* space cadet; move enter; move '"; move pgup pgdn

* remove extra songs

* update from noahfredrick keymap

* make it easier to type ../../thing/*/*

* move pipe

* requested changes

keyboards/planck/keymaps/mwpeterson/config.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#define PERMISSIVE_HOLD
+#define IGNORE_MOD_TAP_INTERRUPT
+
+#ifdef AUDIO_ENABLE
+    #define STARTUP_SONG SONG(ONE_UP_SOUND)
+    // #define STARTUP_SONG SONG(PLANCK_SOUND)
+    // #define STARTUP_SONG SONG(NO_SOUND)
+    #define GOODBYE_SONG SONG(COIN_SOUND)
+
+    #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND) }
+#endif
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+// Most tactile encoders have detents every 4 stages
+#define ENCODER_RESOLUTION 4