Prettier json and md files as well

prettier.config.js

@@ -1,4 +1,12 @@
 module.exports = {
   trailingComma: 'es5',
   singleQuote: true,
+  overrides: [
+    {
+      files: '*.json',
+      options: {
+        printWidth: 400,
+      },
+    },
+  ],
 };