feat: Add support for dedicated agent - Backend

[vivekayanworks]

• [x] Agent configure API
• [x] DID create and update isPrimary in the with ledger
• [x] On-premises agent shell script
• [x] Publish on-premises agent shell script in github
• [x] Deploy on-premises agent on the AWS instance

[sayali-chavan96]

Pending Todos:

Backend

• [x] When creating a DID through the API with "isPrimaryDid": true, the API should ensure that only one DID is marked as primary at a time. If a new DID is set as primary, any existing primary DID should be unmarked as primary.

Frontend

• [x] The "Create DID" button should not be Accessible for users with the roles of Member, Issuer, and Verifier