Merge branch 'add-editorconfig'

Author: felipeozalmeida

.editorconfig

@@ -0,0 +1,14 @@
+# Copy pasted from Airbnb Javascript Style Guide
+# https://github.com/airbnb/javascript
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+# editorconfig-tools is unable to ignore longs strings or urls
+max_line_length = null