added first navigation entries

Author: Jannik-Hm

_config.yml

@@ -41,6 +41,13 @@ favicon: true
 
 color-scheme: auto
 
+navigation:
+  - name: Home
+    link: ./
+    sublist:
+      - name: Goals
+        link: ./#-goals
+
 # Exclude from processing.
 # The following items will not be processed, by default.
 # Any item listed under the `exclude:` key here will be automatically added to