Juno (#7652)

* Added community layout juno and junonum; removed poorly maintained variants of juno; added junonum-a47.

* Added community layout juno and junonum; removed poorly maintained variants of juno; added junonum-a47.

* updated layout type for juno

* Performing requested changes; renaming a47; fine-tuning of codes in community layout keymaps.

* Fine tuning to requested changes.

* Further tuning to suggestion.

* Update layouts/community/ortho_4x12/juno/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update layouts/community/ortho_4x12/juno/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/maartenwut/atom47/keymaps/junonum_a47/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/maartenwut/atom47/keymaps/junonum_a47/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

Co-authored-by: fauxpark <fauxpark@gmail.com>

layouts/community/ortho_4x12/junonum/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
+
+// Reduce power consumption for iOS compatibility
+#define USB_MAX_POWER_CONSUMPTION 100