Prettier formatting.

.prettierrc.js

@@ -2,6 +2,7 @@ module.exports = {
     semi: true,
     trailingComma: 'all',
     singleQuote: true,
-    printWidth: 120,
+    printWidth: 89,
     tabWidth: 2,
-};
+    embeddedLanguageFormatting: 'auto',
+};