Add alias resolution to target service (#4277)

* Add aliases to target resource and alias resolution to target service

* Wire up the target alias domain package to the target service handler

* Adding alias resolution to target api tests

internal/daemon/controller/handler.go

@@ -262,6 +262,7 @@ func (c *Controller) registerGrpcServices(s *grpc.Server) error {
 			c.StaticHostRepoFn,
 			c.VaultCredentialRepoFn,
 			c.StaticCredentialRepoFn,
+			c.TargetAliasRepoFn,
 			c.downstreamWorkers,
 			c.workerStatusGracePeriod,
 			c.conf.RawConfig.Controller.MaxPageSize,