Merge pull request #2 from anvh2/feat/agent-client

feat: add agent_client to manage agents from dispatcher

Author: anvh2

.changeset/seven-cycles-switch.md

@@ -0,0 +1,6 @@
+---
+"github.com/livekit/protocol": minor
+"@livekit/protocol": minor
+---
+
+added agent client to manage agents registered with livekit-server to determine which agents can be dispatched to a room