Merge decomp/main into dusk

Merges 44 upstream commits from zeldaret/tp decomp/main.

Conflict resolutions:
- .github/workflows/build.yml: keep deleted (not needed for PC port)
- README.md: keep PC port README
- J3DAnimation.h: keep OFFSET_PTR macro + add upstream forward decl
- J3DModelLoader.h: keep BE(u32) mBlockNum + add field_0x1c
- d_com_inf_game.h: keep PC port inlines + add upstream declarations
- global.h: keep MULTI_CHAR macro + add FABSF macro
- JUTConsole.cpp: keep uintptr_t cast for 64-bit
- JUTDbPrint.cpp: keep PC enter_() helper + add cstring include
- JUTResFont.cpp: take upstream loop/struct improvements with BE types
- JUTCacheFont.cpp: take upstream decomp fix
- float.h: use upstream !PLATFORM_GCN guard
- d_a_npc_bouS/theB.cpp: keep MULTI_CHAR() for PC portability
- d_a_npc_henna.cpp: keep uintptr_t + use upstream var name
- d_demo.cpp: keep near_/far_ field renames for PC
- d_resorce.cpp: keep uintptr_t + fix var name to res
- d_s_room.cpp, m_Do_graphic.cpp: keep dusk includes + add cstring
- m_Do_main.cpp: keep JHIComPortManager + use JAS_GLOBAL_INSTANCE_INIT
- angle_utils.h: remove redundant types.h include

include/JSystem/JGadget/binary.h

@@ -100,6 +100,8 @@ struct TValueIterator
 
     TValueIterator(const void* begin) {
         mBegin = reinterpret_cast<const char*>(begin);
+        bool unused = false;
+        (void)&unused;
     }
 
     const void* get() const { return mBegin; }

include/JSystem/JGadget/linklist.h

@@ -14,7 +14,12 @@ struct TLinkListNode {
         pPrev_ = NULL;
     }
 
-    ~TLinkListNode() {}
+    ~TLinkListNode() {
+#if DEBUG
+        JGADGET_ASSERTWARN(77, pNext_==NULL);
+        JGADGET_ASSERTWARN(78, pPrev_==NULL);
+#endif
+    }
 
     TLinkListNode* getNext() const { return pNext_; }
     TLinkListNode* getPrev() const { return pPrev_; }

include/JSystem/JGadget/search.h

@@ -5,6 +5,7 @@
 #include <iterator>
 #include <functional>
 #include <algorithm>
+#include <cstring>
 
 namespace JGadget {
 namespace search {

include/JSystem/JGadget/std-streambuf.h

@@ -2,7 +2,7 @@
 #define JGADGET_STD_STREAMBUF_H
 
 #include <dolphin/types.h>
-#include <string>
+#include <cstring>
 
 namespace JGadget {
 template <typename T>