CHANGELOG => Add upcoming 3.1.0 version

CHANGELOG.md

@@ -14,7 +14,23 @@
 **⚠️ Deprecation:**
 -->
 
-## 3.0.0 (?)
+
+## 3.1.0 (???)
+
+### ✨ Feature
+- **AssignmentCheck**: Add linter for help improve the quality of the assignment (the linter will not throw errors but warnings)
+
+### 🔨 Internal / Developers
+- **Typescript**: Add linter (ESLint)
+
+### 📚 Documentation
+- **API**: Routes documentation with Swagger
+
+### 🐛 Bugfix
+- **CLI**: Fix error messages when not logged in
+
+
+## 3.0.0 (2023-11-03)
 
 ### ✨ Feature
 - Login to Dojo app via Gitlab OAuth