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/timer_face.h

@@ -22,14 +22,11 @@
  * SOFTWARE.
  */
 
-//-----------------------------------------------------------------------------
-
 #ifndef TIMER_FACE_H_
 #define TIMER_FACE_H_
 
-#include "movement.h"
-
 /*
+ * TIMER face
  * Advanced timer/countdown face with pre-set timer lengths
  * 
  * This watch face provides the functionality of starting a countdown by choosing 
@@ -53,6 +50,8 @@
  * 
  */
 
+#include "movement.h"
+
 #define TIMER_SLOTS 9           // offer 9 timer slots
 
 typedef enum {