* entrance table OK
* entrance enum fixed
* most entrances using enum, still need to do conditionals
* more entrances
* entrance_table.h cleanups
* some review
* remove _0 from first entrance in a group of setups
* change table description
* typo
* wens spellcheck in vscode
* remove extra line
* Implement scene table with a single define
* Format z_scene_table.c
* Apply review suggestions
* Reorder arguments in DEFINE_SCENE
* Use ROM_INFO for the scene table
* Change "Debug only" to "Debug-only"
* Apply more review suggestions
* Use NULL for 'none' rom addresses
* Remove scene declarations from segment_symbols.h
* Implement a single Object Table for the enum and the segments
* Implement a single Actor Table for the enum and the overlays
* Implement a single Effect SS Table for the enum and the overlays
* Remove initvars.h and move its content to relevant files
* Update object 0 to use OBJECT_NONE and document it in the table
* Rename OBJECT_NONE to OBJECT_INVALID to avoid confusion
