[Cards] Card management in Test Wallet - Backend

[sanducb]

Context

We need to implement card management in test wallet backend.
Card activation will be handled by GateHub and cards will be locked by default.

Todos

Test wallet backend needs to be able to handle:

• [Cards] Wallet Backend - View card details #1626
• [Cards] Wallet Backend - Lock/Unlock card #1628
• [Cards] Wallet Backend - View/change PIN code #1627
• [Cards] Wallet Backend - View card transactions #1629
• [Cards] Wallet Backend - Terminate card #1630
• [Cards] Wallet Backend - View/update card limits #1660
• [Cards] Wallet Backend - Customer creation and card ordering #1667
• [Cards] Wallet Backend - Add customer creation on login for sandbox environment #1714
• [Cards] Wallet Backend - Verify that user is managed at sign up on prod environment #1712
• [Cards] Wallet Backend - Fix change pin endpoint #1670
• [Cards] Wallet Backend - Implement card session logic #1673 TBD

[Tymmmy]

Will close the big issue, card session will be implemented in subtask