Pehchan Login workflow pending work

[NaurozAhmad]

• [x] Push login hydra integration to staging. (Hassan, Nauroz, Saqib, Sohail)
• [x] Complete signup process.
  • [x] Signup endpoint (Hassan)
  • [x] Persist database so user and client data doesn't get lost? (Hassan, Sohail)
• [x] In-app browser testing for both Android and iOS. (Nauroz to deploy iOS. Farah to test)