Add .gitattributes for proper line ending handling

.gitattributes

@@ -1,56 +1,31 @@
-###############################################################################
-# Set default behavior to automatically normalize line endings.
-* text=auto
-# Set default behavior for command prompt diff.
-#
-# This is need for earlier builds of msysgit that does not have it on by
-# default for csharp files.
-# Note: This is only used by command line
-#*.cs     diff=csharp
-# Set the merge driver for project and solution files
-# Merging from the command prompt will add diff markers to the files if there
-# are conflicts (Merging from VS is not affected by the settings below, in VS
-# the diff markers are never inserted). Diff markers may cause the following 
-# file extensions to fail to load in VS. An alternative would be to treat
-# these files as binary and thus will always conflict and require user
-# intervention with every merge. To do so, just uncomment the entries below
-#*.sln       merge=binary
-#*.csproj    merge=binary
-#*.vbproj    merge=binary
-#*.vcxproj   merge=binary
-#*.vcproj    merge=binary
-#*.dbproj    merge=binary
-#*.fsproj    merge=binary
-#*.lsproj    merge=binary
-#*.wixproj   merge=binary
-#*.modelproj merge=binary
-#*.sqlproj   merge=binary
-#*.wwaproj   merge=binary
-# behavior for image files
-# image files are treated as binary by default.
-#*.jpg   binary
-#*.png   binary
-#*.gif   binary
-# diff behavior for common document formats
-# 
-# Convert binary document formats to text before diffing them. This feature
-# is only available from the command line. Turn it on by uncommenting the 
-# entries below.
-#*.doc   diff=astextplain
-#*.DOC   diff=astextplain
-#*.docx  diff=astextplain
-#*.DOCX  diff=astextplain
-#*.dot   diff=astextplain
-#*.DOT   diff=astextplain
-#*.pdf   diff=astextplain
-#*.PDF   diff=astextplain
-#*.rtf   diff=astextplain
-#*.RTF   diff=astextplain
-*.unity filter=lfs diff=lfs merge=lfs -text
-*.tif filter=lfs diff=lfs merge=lfs -text
-*.tga filter=lfs diff=lfs merge=lfs -text
-*.psd filter=lfs diff=lfs merge=lfs -text
-*.fbx filter=lfs diff=lfs merge=lfs -text
-*.exr filter=lfs diff=lfs merge=lfs -text
-*.wav filter=lfs diff=lfs merge=lfs -text
-*.mp4 filter=lfs diff=lfs merge=lfs -text
+# Unity files
+*.cs diff=csharp text
+*.meta text
+*.prefab text
+*.unity text
+*.mat text
+*.asset text
+*.anim text
+*.controller text
+
+# Image files
+*.jpg binary
+*.jpeg binary
+*.png binary
+*.gif binary
+*.psd binary
+*.tga binary
+*.tiff binary
+
+# Audio files
+*.mp3 binary
+*.wav binary
+*.ogg binary
+
+# 3D model files
+*.fbx binary
+*.obj binary
+
+# Unity specific
+*.unitypackage binary
+