added git attributes file

.gitattributes

+# 3D models
+*.3dm filter=lfs diff=lfs merge=lfs -text
+*.3ds filter=lfs diff=lfs merge=lfs -text
+*.blend filter=lfs diff=lfs merge=lfs -text
+*.c4d filter=lfs diff=lfs merge=lfs -text
+*.collada filter=lfs diff=lfs merge=lfs -text
+*.dae filter=lfs diff=lfs merge=lfs -text
+*.dxf filter=lfs diff=lfs merge=lfs -text
+*.fbx filter=lfs diff=lfs merge=lfs -text
+*.jas filter=lfs diff=lfs merge=lfs -text
+*.lws filter=lfs diff=lfs merge=lfs -text
+*.lxo filter=lfs diff=lfs merge=lfs -text
+*.ma filter=lfs diff=lfs merge=lfs -text
+*.max filter=lfs diff=lfs merge=lfs -text
+*.mb filter=lfs diff=lfs merge=lfs -text
+*.obj filter=lfs diff=lfs merge=lfs -text
+*.ply filter=lfs diff=lfs merge=lfs -text
+*.skp filter=lfs diff=lfs merge=lfs -text
+*.stl filter=lfs diff=lfs merge=lfs -text
+*.ztl filter=lfs diff=lfs merge=lfs -text
+# Audio
+*.aif filter=lfs diff=lfs merge=lfs -text
+*.aiff filter=lfs diff=lfs merge=lfs -text
+*.it filter=lfs diff=lfs merge=lfs -text
+*.mod filter=lfs diff=lfs merge=lfs -text
+*.mp3 filter=lfs diff=lfs merge=lfs -text
+*.ogg filter=lfs diff=lfs merge=lfs -text
+*.s3m filter=lfs diff=lfs merge=lfs -text
+*.wav filter=lfs diff=lfs merge=lfs -text
+*.xm filter=lfs diff=lfs merge=lfs -text
+# Fonts
+*.otf filter=lfs diff=lfs merge=lfs -text
+*.ttf filter=lfs diff=lfs merge=lfs -text
+# Images
+*.bmp filter=lfs diff=lfs merge=lfs -text
+*.exr filter=lfs diff=lfs merge=lfs -text
+*.gif filter=lfs diff=lfs merge=lfs -text
+*.hdr filter=lfs diff=lfs merge=lfs -text
+*.iff filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text
+*.jpg filter=lfs diff=lfs merge=lfs -text
+*.pict filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
+*.psd filter=lfs diff=lfs merge=lfs -text
+*.tga filter=lfs diff=lfs merge=lfs -text
+*.tif filter=lfs diff=lfs merge=lfs -text
+*.tiff filter=lfs diff=lfs merge=lfs -text
+# Collapse Unity-generated files on GitHub
+*.asset linguist-generated
+*.mat linguist-generated
+*.meta linguist-generated
+*.prefab linguist-generated
+*.unity linguist-generated
\ No newline at end of file