Take .editorconfig file from fusonic/webapp repo

Author: mburtscher

.editorconfig

@@ -1,11 +1,10 @@
-# EditorConfig is awesome: http://EditorConfig.org
-
-# top-most EditorConfig file
 root = true
 
-# Unix-style newlines with a newline ending every file
 [*]
+charset = utf-8
 end_of_line = lf
 insert_final_newline = true
-indent_style = space
+
+[*.{php,xml,json}]
 indent_size = 4
+indent_style = space