Decompile and mostly document EnSkj, EnSkjNeedle, and OBJECT_SKJ. One NON_MATCHING (#750)

* match a few

* delete ASM

* Almost done

* One reg swap left

* GlobalCtx2 YEP

* Start object SKJ

* Start some documentation

* Big doc pass

* Name the first batch of functions

* Done

* fix some issues real quick

* lets try this again

* remove left over doc tools and add 3 textures

* Finish object_skj docs

* PR fixes

* PR fixes

* Delete BuildInfo.ha

* PR fixes (Roman)

* PR fixes (Roman)

spec

@@ -2881,10 +2881,11 @@ endseg
 beginseg
     name "ovl_En_Skj"
     include "build/src/overlays/actors/ovl_En_Skj/z_en_skj.o"
-    include "build/data/overlays/actors/z_en_skj.data.o"
-    include "build/data/overlays/actors/z_en_skj.rodata.o"
-    include "build/data/overlays/actors/z_en_skj.bss.o"
+#ifdef NON_MATCHING
+    include "build/src/overlays/actors/ovl_En_Skj/ovl_En_Skj_reloc.o"
+#else
     include "build/data/overlays/actors/z_en_skj.reloc.o"
+#endif
 endseg
 
 beginseg
@@ -5013,7 +5014,8 @@ endseg
 beginseg
     name "object_skj"
     romalign 0x1000
-    include "build/baserom/object_skj.o"
+    include "build/assets/objects/object_skj/object_skj.o"
+    number 6
 endseg
 
 beginseg