Update documentation navigation in .pages file

docs/.pages

@@ -1,2 +1,18 @@
 nav:
-  - 🏚️ TI Portfolio Website: documentation/index.md
+  - 🏚️ TI Portfolio Website: index.md
+  - 📝 Opdracht:
+    - Omschrijving: opdracht/assignment
+    - Planning: opdracht/planning
+    - Opdrachtgevers: opdracht/clients
+    - Betoog: opdracht/research
+    - Criteria: opdracht/criteria
+    - Links: opdracht/links
+  - 🤖 Robots:
+    - NAO: robots/nao
+    - Pepper: robots/pepper
+    - Little Endian: robots/little-endian
+  - 📚 Documentation:
+    - 🧠 Brianstorm:
+      - Ideas: brianstorm/ideas
+    - 📱Andriod:
+      - Andriod Studio: andriod/androidStudio