Added gitattributes for X-Ray file types

.gitattributes

@@ -20,7 +20,3 @@
 *.PDF	 diff=astextplain
 *.rtf	 diff=astextplain
 *.RTF	 diff=astextplain
-
-# Shaders are plain text
-*.vs	 diff=astextplain
-*.ps	 diff=astextplain

res/gamedata/configs/.gitattributes

@@ -0,0 +1,2 @@
+# Configs
+*.ltx text linguist-language=INI

res/gamedata/scripts/.gitattributes

@@ -0,0 +1,2 @@
+# X-Ray uses custom extension instead of .lua
+*.script text linguist-language=Lua

res/gamedata/shaders/.gitattributes

@@ -0,0 +1,15 @@
+# DirectX renderer shader extension names
+*.ps text linguist-language=HLSL
+*.vs text linguist-language=HLSL
+*.gs text linguist-language=HLSL
+*.cs text linguist-language=HLSL
+*.hs text linguist-language=HLSL
+*.ds text linguist-language=HLSL
+
+# OpenGL renderer uses the same extensions
+gl/*.ps text linguist-language=GLSL
+gl/*.vs text linguist-language=GLSL
+gl/*.gs text linguist-language=GLSL
+gl/*.cs text linguist-language=GLSL
+gl/*.hs text linguist-language=GLSL
+gl/*.ds text linguist-language=GLSL