feat: Add Element Call / MatrixRTC support

tuwunel-example.toml

@@ -1832,6 +1832,26 @@
 #
 #support_mxid =
 
+# Element Call / MatrixRTC configuration (MSC4143).
+# Configures the LiveKit SFU server for voice/video calls.
+#
+# Requires a LiveKit server with JWT authentication.
+# The `livekit_service_url` should point to your LiveKit JWT endpoint.
+#
+# Note: You must also set `client` above to your homeserver URL.
+#
+# Example:
+# ```toml
+# [global.well_known]
+# client = "https://matrix.yourdomain.com"
+#
+# [[global.well_known.rtc_transports]]
+# type = "livekit"
+# livekit_service_url = "https://livekit.yourdomain.com"
+# ```
+#
+#rtc_transports = false
+
 #[global.blurhashing]
 
 # blurhashing x component, 4 is recommended by https://blurha.sh/