Fix missing documentation for many clock faces:

* Move from .c to .h as needed for consistency.
* When missing from both, copy from pull request or wiki.
* When missing entirely, infer functionality from source code.

movement/watch_faces/complication/discgolf_face.c

@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "discgolf_face.h"
-#include "watch.h"                                              // Remember to change number of courses in this file
+#include "watch.h"          // Remember to change number of courses in this file
 #include "watch_utility.h"
 
 /*