[Keymap] Added mverteuil keymaps and userspace common code (#7876)

* Added mverteuil content

- Userspace
- Knops keymap
- Preonic keymaps

* Simplified and replaced some magic numbers

* Convert tabs to spaces

* Clean up LED handling, better animation, better layer init

* Use get_highest_layer per @drashna suggestion

* Reorder prototypes/reformat

* Simplified/more expessive and fixed initial layer LED

* Remove changes to git ignored files

keyboards/knops/mini/keymaps/mverteuil/config.h

@@ -0,0 +1,25 @@
+/* Copyright 2017 Pawnerd, 2019 Matthew de Verteuil
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#if defined(AUDIO_ENABLE)
+    #define AUDIO_CLICKY
+    #define B5_AUDIO
+    #define C6_AUDIO
+    #define STARTUP_SONG SONG(ZELDA_PUZZLE)
+    #define GOODBYE_SONG SONG(COIN_SOUND)
+#endif