Updated _Sidebar (markdown)

_Sidebar.md

@@ -1 +1,11 @@
-* [Build Environment Setup](wiki/Build-Environment-Setup)
+* [QMK Overview](QMK-Overview)
+* [Build Environment Setup](Build-Environment-Setup)
+* [FAQ](FAQ)
+ * [FAQ Build](FAQ-Build)
+ * [FAQ Keymap](FAQ-Keymap)
+* [Keycodes](Keycodes)
+* [Keymap](Keymap)
+ * [Leader Key](Leader Key)
+ * [Macros](Macros)
+ * [Space Cadet](Space-Cadet-Shift)
+ * [Tap Dance](Tap Dance)