feat: Livekit - Selfhost video room solution (#946)

* feat: Livekit bare no recording nor pipeline

* feat: full livekit pipeline

* fix: caddy hatchet with livekit

* fix: caddy livekit

* fix: hatchet tls

* fix: agg to webm for no padding

* fix: reflector user id on participants and duration fix

* fix: better docs and internal review fixes

* fix: remove video files livekit

livekit.yaml.example

@@ -0,0 +1,34 @@
+# LiveKit server configuration
+# Generated by setup-selfhosted.sh — do not edit manually.
+# See: https://docs.livekit.io/self-hosting/deployment/
+
+port: 7880
+rtc:
+  tcp_port: 7881
+  port_range_start: 44200
+  port_range_end: 44300
+  # use_external_ip: true  # Uncomment for production with public IP
+
+redis:
+  address: redis:6379
+
+keys:
+  # API key : API secret (generated by setup script)
+  # devkey: secret
+  __LIVEKIT_API_KEY__: __LIVEKIT_API_SECRET__
+
+webhook:
+  urls:
+    - http://server:1250/v1/livekit/webhook
+  api_key: __LIVEKIT_API_KEY__
+
+logging:
+  level: info
+
+# Room settings
+room:
+  empty_timeout: 300     # 5 minutes after last participant leaves
+  max_participants: 0    # 0 = unlimited
+
+# Track Egress only (no composite video)
+# Egress is configured via egress.yaml on the egress service