adds back cypress watch and reload

Signed-off-by: Derek Ho <dxho@amazon.com>

.cypress/plugins/index.js

@@ -24,4 +24,7 @@
 module.exports = (on, config) => {
   // `on` is used to hook into various events Cypress emits
   // `config` is the resolved Cypress config
+  require('cypress-watch-and-reload/plugins')(config)
+
+  return config
 }