WB004: SMS Gateway Service

[hanswizzy]

Subtask of

• Image repository and container registry for the backendE8 webank-OnlineBanking#56

Subtasks

• (TK-012): Create Architecture for SMS Gateway e3 webank-OnlineBanking#9
• (TK-013): Create SMS gateway module e2 webank-OnlineBanking#26
• (TK-014): Create Rest service on SMS gateway to receive OTP request webank-OnlineBanking#32
• (TK-014.5): Implement mechanism to send otp to user's device e5 webank-pending-registration-service#9