fix: email validation in user invite modal

fix #185

packages/nc-gui/components/auth/userManagement.vue

@@ -475,7 +475,7 @@ export default {
     valid: null,
     emailRules: [
       v => !!v || 'E-mail is required',
-      v => /^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w{2,})+$/.test(v) || 'E-mail must be valid'
+      v => /^(([^<>()[\]\.,;:\s@\"]+(\.[^<>()[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i.test(v) || 'E-mail must be valid'
     ],
     userList: []
   }),