Nature Ambience Documentation (#1063)

* Document nature ambience io data

* Document nature ambience functions

* Function headers

* Doc storing main bgm for nature/miniboss bgm

* Give temporary names to functions

* small cleanup

* add docs to clarify

* Break up nature ambience channel io data for easier reading

* Add info to where each nature ambience Id is used

* Name environmental sequence functions

* Use channel macros globally

* Add nature enum, revert env name

* Revert tough-to-name functions, use nature channel enum instead

* Fill in remaining enums from sequence 1

* PR Suggestions

* Improve macros

* remove clang-format off

* MINI_GAME_2 -> TIMED_MINI_GAME

* Revert to generic name

* Fix Spacing

src/code/z_parameter.c

@@ -4161,7 +4161,7 @@ void Interface_Update(GlobalContext* globalCtx) {
             gSaveContext.sunsSongState = SUNSSONG_INACTIVE;
             func_800F6964(30);
             gSaveContext.seqId = (u8)NA_BGM_DISABLED;
-            gSaveContext.natureAmbienceId = 0xFF;
+            gSaveContext.natureAmbienceId = NATURE_ID_DISABLED;
         } else {
             gSaveContext.sunsSongState = SUNSSONG_SPECIAL;
         }