Add editorconfig configuration file

Author: ErfanY

.editorconfig

@@ -8,12 +8,8 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 
-# Matches multiple files with brace expansion notation
-# Set default charset
-[*.{js,py}]
+# 2 space indentation
+[*.{groovy, java, xml}]
 charset = utf-8
-
-# 4 space indentation
-[*.{groovy,java}]
 indent_style = space
-indent_size = 4
+indent_size = 2