Missing strings in Login form

frontend/src/components/Login/LoginForm.vue

@@ -13,7 +13,7 @@
         class="mr-2"
       >
       </v-progress-circular>
-      <v-toolbar-title class="headline"> Login </v-toolbar-title>
+      <v-toolbar-title class="headline">{{$t('user.login')}}</v-toolbar-title>
       <v-spacer></v-spacer>
     </v-app-bar>
     <v-card-text>
@@ -56,7 +56,7 @@
         >
       </v-card-actions>
       <v-alert v-if="error" outlined class="mt-3 mb-0" type="error">
-        Could Not Validate Credentials
+        {{$t('user.could-not-validate-credentials')}}
       </v-alert>
     </v-card-text>
   </v-card>

frontend/src/locales/messages/en.json

@@ -85,7 +85,9 @@
     "are-you-sure-you-want-to-delete-the-link": "Are you sure you want to delete the link <b>{link}<b/>?",
     "link-id": "Link ID",
     "users": "Users",
-    "groups": "Groups"
+    "groups": "Groups",
+    "could-not-validate-credentials": "Could Not Validate Credentials",
+    "login": "Login"
   },
   "meal-plan": {
     "shopping-list": "Shopping List",