docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/B/BSTextureStreamer.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "RE/B/BSFixedString.h"
+#include "RE/B/BSResource_ID.h"
+
+namespace RE
+{
+	namespace BSTextureStreamer
+	{
+		class LocalHeap
+		{
+		public:
+			class FreeBlock;
+
+			// members
+			std::byte*    memoryBase;       // 00
+			FreeBlock*    freeList;         // 08
+			std::uint32_t freeBlocks;       // 10
+			std::uint32_t allocatedBlocks;  // 14
+		};
+		static_assert(sizeof(LocalHeap) == 0x18);
+
+		class ChunkDesc
+		{
+		public:
+			// members
+			std::uint64_t dataFileOffset;    // 00
+			std::uint32_t size;              // 08
+			std::uint32_t uncompressedSize;  // 0C
+			std::uint16_t mipFirst;          // 10
+			std::uint16_t mipLast;           // 12
+			std::uint32_t padding;           // 14
+		};
+		static_assert(sizeof(ChunkDesc) == 0x18);
+
+		class TextureDescHeader
+		{
+		public:
+			// members
+			BSResource::ID id;             // 00
+			std::uint8_t   dataFileIndex;  // 0C
+			std::uint8_t   chunkCount;     // 0D
+			std::uint16_t  chunkOffset;    // 0E
+		};
+		static_assert(sizeof(TextureDescHeader) == 0x10);
+
+		template <class T>
+		class NativeDesc :
+			public TextureDescHeader  // 00
+		{
+		public:
+			// members
+			T             info;        // 10
+			ChunkDesc     chunks[4];   // ??
+			BSFixedString streamName;  // ??
+		};
+	}
+}