Documentation pass for the Target system (#1281)

* cleanup

* import bss

* sActorHiliteMtx

* some cleanups on func_800BB604

* Actor_IsInTargetableRange

* rematch func_800BB604

Co-authored-by: engineer124 <engineer124engineer124@gmail.com>

* Name ACTOR_FLAG_UNFRIENDLY and ACTOR_FLAG_FRIENDLY

* Rename some Target_ functions

* cleanusp

* TargetMode enum

* Target_800B82EC

* sNaming

* more

* more naming

* fairyHintPos

* rotation

* ACTOR_FLAG_TARGETABLE

* update namefixer

* remove trailing comma

* bss

* Wall of text for Target_800BB604

* function naming

* cleanups

* Target_GetAdjustedDistSq

* NotLeash

* more comments

* minor comment

* review

* fix

* rotZTick

* review

* name last members

* fix

* review

* review

* more namefixer

* swap members

* comment

* Update src/code/z_actor.c

Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>

* Update src/code/z_actor.c

Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>

* review

* format

* Update src/code/z_actor.c

Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com>

* Update include/z64actor.h

Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com>

* review

* review

* fix

* fix

---------

Co-authored-by: engineer124 <engineer124engineer124@gmail.com>
Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>
Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com>

docs/STYLE.md

@@ -140,7 +140,7 @@ Damage flag enums are not being used at present: we want to wait until we have a
 
 Pre-C99, commas at the end of the last item in an enum will cause a compiler warning, so leave them off.
 
-All compound flag lists (e.g. `ACTOR_FLAG_4 | ACTOR_FLAG_8`) should be listed in *ascending* order
+All compound flag lists (e.g. `ACTOR_FLAG_UNFRIENDLY | ACTOR_FLAG_FRIENDLY`) should be listed in *ascending* order
 
 ## Arrays