add react component names (#448)

react/config-overrides.js.template

@@ -18,6 +18,7 @@ module.exports = function override(config, env) {
       ignoreFile: '.sentrycliignore',
       ignore: ['webpack.config.js'],
       configFile: 'sentry.properties',
+      reactComponentAnnotation: {enabled:true},
     })
   );
   return config;