init git& lfs support

.gitattributes

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+*.webm filter=lfs diff=lfs merge=lfs -text
+*.mp3 filter=lfs diff=lfs merge=lfs -text
+*.wav filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
+*.bmp filter=lfs diff=lfs merge=lfs -text
+*.avi filter=lfs diff=lfs merge=lfs -text
+*.mp4 filter=lfs diff=lfs merge=lfs -text
+*.mov filter=lfs diff=lfs merge=lfs -text
+*.ogg filter=lfs diff=lfs merge=lfs -text
+*.jpg filter=lfs diff=lfs merge=lfs -text
+*.tiff filter=lfs diff=lfs merge=lfs -text
+*.tif filter=lfs diff=lfs merge=lfs -text
+*.psd filter=lfs diff=lfs merge=lfs -text
+*.svg filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text
+*.gif filter=lfs diff=lfs merge=lfs -text
+*.wmv filter=lfs diff=lfs merge=lfs -text
+*.flv filter=lfs diff=lfs merge=lfs -text
+*.dae filter=lfs diff=lfs merge=lfs -text
+*.blend filter=lfs diff=lfs merge=lfs -text
+*.3ds filter=lfs diff=lfs merge=lfs -text
+*.stl filter=lfs diff=lfs merge=lfs -text
+*.glb filter=lfs diff=lfs merge=lfs -text
+*.gltf filter=lfs diff=lfs merge=lfs -text
+*.obj filter=lfs diff=lfs merge=lfs -text
+*.fbx filter=lfs diff=lfs merge=lfs -text
+*.xcframework/** filter=lfs diff=lfs merge=lfs -text

.gitignore

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+Confs
+Client/ServerData
+/assetbundles
+.DS_Store
+.vscode/
+/cfgPack/encryptcfg
+.gemini/
+GEMINI.md
+CLAUDE.md
+QWEN.md
+Client/.claude/
+dev-ab-svr/debugconfig.json