put back editorconfig

.editorconfig

@@ -0,0 +1,10 @@
+# editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true

.prettierrc

@@ -3,6 +3,7 @@
   "singleQuote": true,
   "trailingComma": "none",
   "tabWidth": 2,
+  "endOfLine": "lf",
   "importOrder": [
     "^(react/(.*)$)|^(react$)",
     "^(next/(.*)$)|^(next$)",