added imprint

src/router/index.js

@@ -5,6 +5,7 @@ import Warning from '../views/Warning'
 import Questionnaire from "@/views/Questionnaire";
 import Results from "@/views/Results";
 import HelpPage from "@/views/HelpPage";
+import Impressum from "@/views/Impressum";
 
 Vue.use(VueRouter)
 
@@ -33,6 +34,11 @@ const routes = [
     path: '/results',
     name: 'Ergebnisse',
     component: Results
+  },
+  {
+    path: '/impressum',
+    name: 'Impressum',
+    component: Impressum
   }
 ]