added editorconfig

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+
+[*.{js,html,yml,json,handlebars}]
+indent_style = space
+indent_size = 2
+
+[*.toml]
+indent_style = space
+indent_size = 4