feat: add eslint config

.eslintrc.js

+module.exports = {
+    root: true,
+    parser: '@typescript-eslint/parser',
+    plugins: ['@typescript-eslint', 'prettier'],
+    extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:prettier/recommended',
+    ],
+    env: {
+        node: true,
+        es6: true,
+    },
+};