Added linting.

.editorconfig

@@ -0,0 +1,14 @@
+# 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 = tab
+indent_size = 4
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.js]
+charset = utf-8