Add YML to editorconfig

Author: walbourn

.editorconfig

@@ -1,5 +1,13 @@
 root = true
 
+[*.{yml}]
+indent_size = 2
+indent_style = space
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = crlf
+charset = latin1
+
 [*.{fx,fxh,hlsl,hlsli}]
 indent_size = 4
 indent_style = space