[Keymap] Add rennerom planck layout (#17283)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/planck/keymaps/rennerom/config.h

@@ -0,0 +1,38 @@
+// Copyright 2022 Max Renner (@rennerom)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#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
+
+#define TAPPING_TERM 200
+
+/*
+ * MIDI options
+ */
+
+/* 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
+
+// Most tactile encoders have detents every 4 stages
+//#define ENCODER_RESOLUTION 4