feat: Add Access Request functionality to IAM Service

- Introduced new Access Request and Access Request Approver entities in the DbContext to support access management features.
- Updated Dependency Injection to include the AccessRequestRepository, enhancing the service's capabilities for handling access requests.
- Added example curl command for token retrieval using the test account, improving developer experience for testing authentication flows.

note.md

@@ -1,3 +1,17 @@
 Test Account
 Tài khoản: hongochai10@icloud.com
-Mật Khẩu: Velik@2026
+Mật Khẩu: Velik@2026
+
+
+curl -s -X POST "http
+://localhost:5001/connect/token" \
+>   -H "Content-Type: application/x-www-fo
+rm-urlencoded" \
+>   -d "grant_type=password" \
+>   -d "client_id=password-client" \
+>   -d "client_secret=password-client-secret" \
+>   -d "username=hongochai10@icloud.com" \
+
+>   -d "password=Velik@2026" \
+>   -d "scope=openid profile email api offline_access" 2>
+&1 | jq .