feat(talk/turn/signaling/hpb): add role for Talk with backend services

roles/coturn/meta/main.yml

@@ -0,0 +1,15 @@
+#SPDX-License-Identifier: MIT-0
+galaxy_info:
+  author: Digital Board Team
+  description: Deploy a coturn TURN/STUN server with optional acme.sh sidecar (RFC2136/nsupdate)
+  company: digitalboard.ch
+  license: GPL-2.0-or-later
+  min_ansible_version: "2.14"
+  galaxy_tags:
+    - turn
+    - stun
+    - coturn
+    - webrtc
+    - nextcloud
+    - talk
+dependencies: []