[APK Management server and Adapter] Finalize Data Related to User Flows and Data Structures

[npamudika]

Description: This is to finalize the data related to the user flows defined in https://docs.google.com/document/d/1F15zHzHi8ercomq5J3yR8P6TjkVWhhUQ1lnOF4_JCcU/edit?usp=sharing

[npamudika]

Document - https://docs.google.com/document/d/1opdltBxJIkz3Tn_CsxXbHI7RrhmsXaSgZAq27oayr_s/edit?usp=sharing

[npamudika]

Tasks -

• [x] Runtime API to k8s server - API deployment
• [x] DevPortal DS to Mgt server - API creation, Apps, Subs, Policies