Added hostnames for livekit and jwt labels

roles/custom/matrix-element-call/defaults/main.yml

@@ -28,6 +28,10 @@ redis_port: "6379"
 # LiveKit configuration
 matrix_element_call_livekit_dev_key: "{{ matrix_livekit_dev_key }}"  # Must be defined in host_vars
 matrix_element_call_livekit_service_url: "wss://sfu.{{ matrix_domain }}:443"
+matrix_element_call_livekit_hostname: "sfu.{{ matrix_domain }}"
+
+# jwt configuration 
+matrix_element_call_jwt_hostname: "sfu-jwt.{{ matrix_domain }}"
 
 # Well-known paths and domains (derived from matrix_domain)
 matrix_element_call_domain: "call.{{ matrix_domain }}"