[Keymap] Adds keymaps for muzfuz DZ60, Planck, Clueboard66 (#4825)

* Adds keymaps for muzfuz

* Remove unused keys from adjust layer

* Bring in line with current QMK standards.

keyboards/planck/keymaps/muzfuz/config.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#ifdef AUDIO_ENABLE
+#define STARTUP_SONG SONG(PLANCK_SOUND)
+// #define STARTUP_SONG SONG(NO_SOUND)
+
+#define DEFAULT_LAYER_SONGS  \
+  {                          \
+    SONG(QWERTY_SOUND),      \
+        SONG(COLEMAK_SOUND), \
+        SONG(DVORAK_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