fix naming convention

index.js

@@ -26,5 +26,10 @@ module.exports = {
     parser: 'babel-eslint'
   },
 
-  rules: {}
+  rules: {
+    '@typescript-eslint/camelcase': 'off',
+    '@typescript-eslint/naming-convention': ['error',
+      { selector: 'default', format: ['snake_case'] }
+    ]
+  }
 }