Add prettier config

Author: NullVoxPopuli

.prettierrc.cjs

@@ -0,0 +1,13 @@
+'use strict';
+
+module.exports = {
+  overrides: [
+    {
+      files: '*.{js,ts,mjs,mts,cjs,cts}',
+      options: {
+        singleQuote: true,
+        templateSingleQuote: false,
+      },
+    },
+  ],
+};