create .editorconfig in wire directory

This is very helpful for contributors who uses different editor settings, for example indentation with spaces, not tabs. Most of all common editor programms or IDEs nowadays support to preserve the defined coding style rules automatically. Read more here: http://editorconfig.org

wire/.editorconfig

@@ -0,0 +1,31 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://editorconfig.org
+
+
+root = true
+
+
+[*]
+charset = utf-8
+end_of_line = lf
+
+
+[*.{php,inc,module}]
+tab_width = 4
+indent_style = tab
+trim_trailing_whitespace = false
+insert_final_newline = true
+
+
+[*.js]
+tab_width = 4
+indent_style = tab
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+
+[*.{css,less,scss}]
+tab_width = 2
+indent_style = tab
+trim_trailing_whitespace = true
+insert_final_newline = true