Changes in this PR include
- Authenticate gRPC requests
- Initial file structure for authentication and authorization service
- Use Auth middleware and interceptor service in usermgmt component
- Authenticate HTTP request based on Kratos API token
- Add Auth middleware to adminsrv component
- Name the Grpc metadata fields
- Maintain session data after authentication
- Removed http middleware as it is not necessary
- Exclude rpc methods from authentication
- Handle error in auth interceptor
- Revert to with cancel context
- Log authentication failed requests and New function in authv3
- Initiate authContext struct in authv3 package using new public
- function NewAuthContext.
