add Attribute definition

Updates #2.

.gitattributes

@@ -1,139 +1,89 @@
-#
+# Pulled from github-for-unity/Unity on 10/26/19:
-# Git attributes for Unity projects
+# https://github.com/github-for-unity/Unity/blob/master/src/GitHub.Api/Resources/.gitattributes
-#
-# Compiled by the GameCI community under the MIT license - https://game.ci
-#
-# Latest version at https://gist.github.com/webbertakken/ff250a0d5e59a8aae961c2e509c07fbc
-#
 
-# Ensure that text files that any contributor introduces to the repository have their line endings normalized
 * text=auto
 
-# Increase probability of success for merging files with specific extensions
-*.cs diff=csharp
-
-# Macro attribute: Files with Unity's yaml format
-# linguist-generated means the file is ignored for the repository's language statistics and diffs are hidden by default.
-[attr]unity-yaml-file -text merge=unityyamlmerge linguist-generated
-
-# Macro attribute: Files intended for LFS
-[attr]lfs-file filter=lfs diff=lfs merge=lfs -text
-
 # Unity files
-*.asmdef unity-yaml-file -linguist-generated
+*.meta -text merge=unityyamlmerge diff
-*.anim unity-yaml-file
+*.unity -text merge=unityyamlmerge diff
-*.asset unity-yaml-file
+*.asset -text merge=unityyamlmerge diff
-*.brush unity-yaml-file
+*.prefab -text merge=unityyamlmerge diff
-*.controller unity-yaml-file
+*.mat -text merge=unityyamlmerge diff
-*.flare unity-yaml-file
+*.anim -text merge=unityyamlmerge diff
-*.fontsettings unity-yaml-file
+*.controller -text merge=unityyamlmerge diff
-*.giparams unity-yaml-file
+*.overrideController -text merge=unityyamlmerge diff
-*.guiskin unity-yaml-file
+*.physicMaterial -text merge=unityyamlmerge diff
-*.mask unity-yaml-file
+*.physicsMaterial2D -text merge=unityyamlmerge diff
-*.mat unity-yaml-file
+*.playable -text merge=unityyamlmerge diff
-*.meta unity-yaml-file
+*.mask -text merge=unityyamlmerge diff
-*.mixer unity-yaml-file
+*.brush -text merge=unityyamlmerge diff
-*.overrideController unity-yaml-file
+*.flare -text merge=unityyamlmerge diff
-*.physicMaterial unity-yaml-file
+*.fontsettings -text merge=unityyamlmerge diff
-*.physicsMaterial2D unity-yaml-file
+*.guiskin -text merge=unityyamlmerge diff
-*.playable unity-yaml-file
+*.giparams -text merge=unityyamlmerge diff
-*.prefab unity-yaml-file
+*.renderTexture -text merge=unityyamlmerge diff
-*.preset unity-yaml-file
+*.spriteatlas -text merge=unityyamlmerge diff
-*.renderTexture unity-yaml-file
+*.terrainlayer -text merge=unityyamlmerge diff
-*.shadervariants unity-yaml-file
+*.mixer -text merge=unityyamlmerge diff
-*.spriteatlas unity-yaml-file
+*.shadervariants -text merge=unityyamlmerge diff
-*.terrainlayer unity-yaml-file
-*.unity unity-yaml-file
-
-# Unity binary files
-*.bundle lfs-file
-*.cubemap lfs-file
-*.unitypackage lfs-file
-
-# Unity specific assets
-*-[Nn]av[Mm]esh.asset lfs-file
-*-[Tt]errain.asset lfs-file
-*OcclusionCullingData.asset
-
-# Creative software
-*.rns lfs-file
-*.reason lfs-file
-*.lxo lfs-file
-*.exr lfs-file
-
-# Documents
-*.pdf lfs-file
 
 # Image formats
-*.afdesign lfs-file
+*.psd filter=lfs diff=lfs merge=lfs -text
-*.afphoto lfs-file
+*.jpg filter=lfs diff=lfs merge=lfs -text
-*.ai lfs-file
+*.png filter=lfs diff=lfs merge=lfs -text
-*.bmp lfs-file
+*.gif filter=lfs diff=lfs merge=lfs -text
-*.dds lfs-file
+*.bmp filter=lfs diff=lfs merge=lfs -text
-*.jpg lfs-file
+*.tga filter=lfs diff=lfs merge=lfs -text
-*.gif lfs-file
+*.tiff filter=lfs diff=lfs merge=lfs -text
-*.iff lfs-file
+*.tif filter=lfs diff=lfs merge=lfs -text
-*.pict lfs-file
+*.iff filter=lfs diff=lfs merge=lfs -text
-*.png lfs-file
+*.pict filter=lfs diff=lfs merge=lfs -text
-*.psd lfs-file
+*.dds filter=lfs diff=lfs merge=lfs -text
-*.svg lfs-file
+*.xcf filter=lfs diff=lfs merge=lfs -text
-*.tga lfs-file
-*.tiff lfs-file
-*.webp lfs-file
 
 # Audio formats
-*.aif lfs-file
+*.mp3 filter=lfs diff=lfs merge=lfs -text
-*.aiff lfs-file
+*.ogg filter=lfs diff=lfs merge=lfs -text
-*.it lfs-file
+*.wav filter=lfs diff=lfs merge=lfs -text
-*.mod lfs-file
+*.aiff filter=lfs diff=lfs merge=lfs -text
-*.mp3 lfs-file
+*.aif filter=lfs diff=lfs merge=lfs -text
-*.ogg lfs-file
+*.mod filter=lfs diff=lfs merge=lfs -text
-*.s3m lfs-file
+*.it filter=lfs diff=lfs merge=lfs -text
-*.wav lfs-file
+*.s3m filter=lfs diff=lfs merge=lfs -text
-*.xm lfs-file
+*.xm filter=lfs diff=lfs merge=lfs -text
 
 # Video formats
-*.mov lfs-file
+*.mov filter=lfs diff=lfs merge=lfs -text
-*.avi lfs-file
+*.avi filter=lfs diff=lfs merge=lfs -text
-*.asf lfs-file
+*.asf filter=lfs diff=lfs merge=lfs -text
-*.mpg lfs-file
+*.mpg filter=lfs diff=lfs merge=lfs -text
-*.mpeg lfs-file
+*.mpeg filter=lfs diff=lfs merge=lfs -text
-*.mp4 lfs-file
+*.mp4 filter=lfs diff=lfs merge=lfs -text
 
 # 3D formats
-*.3ds lfs-file
+*.fbx filter=lfs diff=lfs merge=lfs -text
-*.3dm lfs-file
+*.obj filter=lfs diff=lfs merge=lfs -text
-*.abc lfs-file
+*.max filter=lfs diff=lfs merge=lfs -text
-*.blend lfs-file
+*.blend filter=lfs diff=lfs merge=lfs -text
-*.c4d lfs-file
+*.dae filter=lfs diff=lfs merge=lfs -text
-*.dae lfs-file
+*.mb filter=lfs diff=lfs merge=lfs -text
-*.dfx lfs-file
+*.ma filter=lfs diff=lfs merge=lfs -text
-*.FBX lfs-file
+*.3ds filter=lfs diff=lfs merge=lfs -text
-*.fbx lfs-file
+*.dfx filter=lfs diff=lfs merge=lfs -text
-*.glb lfs-file
+*.c4d filter=lfs diff=lfs merge=lfs -text
-*.gltf lfs-file
+*.lwo filter=lfs diff=lfs merge=lfs -text
-*.lwo lfs-file
+*.lwo2 filter=lfs diff=lfs merge=lfs -text
-*.lwo2 lfs-file
+*.abc filter=lfs diff=lfs merge=lfs -text
-*.lxo lfs-file
+*.3dm filter=lfs diff=lfs merge=lfs -text
-*.obj lfs-file
-*.ma lfs-file
-*.max lfs-file
-*.mb lfs-file
 
-# Font formats
+# Build
-*.ttf lfs-file
+*.dll filter=lfs diff=lfs merge=lfs -text
-*.otf lfs-file
+*.pdb filter=lfs diff=lfs merge=lfs -text
-
+*.mdb filter=lfs diff=lfs merge=lfs -text
-# Bundles and binaries
-*.dll lfs-file
-*.exe lfs-file
-*.mdb lfs-file
-*.pdb lfs-file
-*.so lfs-file
 
 # Packaging
-*.zip lfs-file
+*.zip filter=lfs diff=lfs merge=lfs -text
-*.7z lfs-file
+*.7z filter=lfs diff=lfs merge=lfs -text
-*.gz lfs-file
+*.gz filter=lfs diff=lfs merge=lfs -text
-*.rar lfs-file
+*.rar filter=lfs diff=lfs merge=lfs -text
-*.tar lfs-file
+*.tar filter=lfs diff=lfs merge=lfs -text