* ActorShopItem 93%
* Fix build
* Add missing symbols to usa
* Document BMG message ID functions
* Create bmg.py for inspecting BMG files
* ActorShopItem 98%
* Match func_ov031_0217dfec
* Port reloc changes to usa
* Make `ModelRender::GetLcdcAddress` non-const
* fix flags getters and associated relocs
* explicit ARM and improve existing matches
* match CopyTo
* document a bit the flag system and progress on unmatched functions
* remaining bottom functions
* func_ov00_02097810 params and name fix
* fix build issues
* move flag base definition to its own file
* document item flags
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Co-authored-by: Yanis002 <Yanis002@users.noreply.github.com>
Co-authored-by: Aetias <aetias@outlook.com>