1. List of Q&A.
2. Detail of Q&A.
3. Create of Q&A :
4. Flow : User create Q&A assign to user have role is BA or another user to answer questions -> Wait assigner to reply -> If the answer is accepted, the question can be closed, if the answer is not accepted, the question can be reopen for assigner.

       4. Statistical of user : Q&A created, Q&A closed.

       5. User can edit/read Q&A created or have assigned.

       6. Q&A closed forbidden to update.

Admin:

       1. User management : Show list of users, users detail.

       2. Q&A management : Resolve , reopen Q&A of users. Show Q&A resolved, reopened, inprogress.

       3. CRUD Q&A.