Added editorconfig.

.editorconfig

@@ -0,0 +1,31 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+tab_width = 2
+continuation_indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 120
+
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.js]
+quote_type = single
+curly_bracket_next_line = false
+spaces_around_operators = true
+spaces_around_brackets = none
+indent_brace_style = BSD KNF
+
+
+[*.html]
+quote_type = double