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+## Issue #5: Implement User Authentication
+
+### Description
+
+Implement a user authentication system for the helpyourneighbour project to secure API endpoints and manage user access.
+
+### Acceptance Criteria
+
+- [ ] Create authentication middleware
+- [ ] Implement login endpoint
+- [ ] Implement registration endpoint
+- [ ] Add token-based authentication
+- [ ] Secure existing API endpoints with authentication
+
+### Tasks
+
+- [ ] Create `src/middleware/auth.js`
+- [ ] Implement login route in `src/routes/auth.js`
+- [ ] Implement registration route in `src/routes/auth.js`
+- [ ] Add JWT token generation and validation
+- [ ] Apply authentication to existing routes
+
+### Notes
+
+This issue addresses the need for user authentication to secure the application's API endpoints. The implementation will use JWT tokens for authentication and include both login and registration functionality.
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