feat(.eslintrc.js): add prettier

Author: JellyBrick

.eslintrc.js

@@ -7,7 +7,7 @@ module.exports = {
     'plugin:@typescript-eslint/recommended',
     'plugin:@typescript-eslint/recommended-requiring-type-checking',
   ],
-  plugins: ['@typescript-eslint', 'import'],
+  plugins: ['prettier', '@typescript-eslint', 'import'],
   parser: '@typescript-eslint/parser',
   parserOptions: {
     project: './tsconfig.json',