Add Git LFS configuration and .gitignore for Blender project

.gitignore

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+# Blender Studio Git Management - .gitignore
+
+# Blender auto-save files
+*.blend1
+*.blend2
+*.blend3
+*.blend4
+*.blend5
+*.blend6
+*.blend7
+*.blend8
+*.blend9
+
+# Blender cache and temporary files
+*.swp
+*.swo
+*~
+*.tmp
+*.temp
+
+# Blender internal cache files
+*.bpy
+*.bmesh
+*.bvh
+*.bobj
+*.bphys
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+desktop.ini
+
+# Editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Large media files (uncomment if you want to exclude rendered outputs)
+# *.mp4
+# *.avi
+# *.mov
+# *.png
+# *.jpg
+# *.jpeg
+# *.exr
+# *.hdr
+# *.tiff
+# *.tga
+
+# Audio files (uncomment if excluding)
+# *.wav
+# *.mp3
+# *.aac
+# *.ogg
+
+# Archive files
+*.zip
+*.rar
+*.7z
+*.tar.gz
+
+# Log files
+*.log
+*.txt
+
+# Python cache
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+
+# Node modules (if using any web tools)
+node_modules/
+
+# Environment files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Backup files
+*.bak
+*.backup
+*.old
+
+# Temporary files
+temp/
+tmp/
+cache/