CHANGELOG => Add upcoming 3.0.0 version

CHANGELOG.md

@@ -14,6 +14,19 @@
 **⚠️ Deprecation:**
 -->
 
+## 3.0.0 (?)
+
+### ✨ Feature
+- Login to Dojo app via Gitlab OAuth
+- User access type management
+  - **student**: default access type for new users
+  - **teachingStaff**: student access + possibility of creating assignment
+  - **admin**: teachingStaff access + access to user access management
+
+### 📚 Documentation
+- Wiki update for this new version
+
+
 ## 2.2.0 (2023-10-16)
 
 ### ✨ Feature