Added selfservice doc to top-nav

ref #4

src/.vuepress/config.js

@@ -38,6 +38,10 @@ module.exports = {
             text: 'Für Admins',
             link: '/admins/'
           },
+          {
+            text: 'Über den Selfservice',
+            link: '/selfservice/'
+          },
           {
             text: 'Source Code',
             link: 'https://git.odit.services/lfk'
@@ -78,6 +82,15 @@ module.exports = {
               ]
             }
           ],
+          '/selfservice/': [
+            {
+              title: 'Selfservice Dokumentation',
+              collapsable: false,
+              children: [
+                ''
+              ]
+            }
+          ],
         }
       },
       '/en/': {