feat(capytal,chat): voice calls support

capytal/chat.nix

@@ -20,6 +20,13 @@
           support_role = "m.role.admin";
           support_email = "admin@capytal.cc";
           support_mxid = "@admin:capytal.cc";
+
+          rtc_focus_server_urls = [
+            {
+              type = "livekit";
+              livekit_service_url = "https://livekit.capytal.cc";
+            }
+          ];
         };
       };
     };
@@ -144,5 +151,28 @@
     '';
   };
 
+  services.livekit = {
+    enable = true;
+    settings = {
+      port = 9410;
+      bind_addresses = ["0.0.0.0"];
+      rtc = {
+        tcp_port = 9411;
+        port_range_start = 50100;
+        port_range_end = 50200;
+        use_external_ip = true;
+        enable_loopback_candidate = false;
+      };
+    };
+    keyFile = config.sops.secrets."livekit/key_file".path;
+  };
+
+  services.lk-jwt-service = {
+    enable = true;
+    port = 9412;
+    keyFile = config.sops.secrets."livekit/key_file".path;
+    livekitUrl = "wss://livekit.capytal.cc";
+  };
+
   nixpkgs.config.permittedInsecurePackages = ["olm-3.2.16"];
 }