Move server to persistence, still have stuff to fix

modules/system/services/server/socialserver/owncast/default.nix

@@ -0,0 +1,16 @@
+{ config, lib, ... }:
+{
+  imports = [ ./nginx ];
+
+  config = lib.mkIf config.system.socialserver.enable {
+    services.owncast = {
+      enable = true;
+      port = 8060;
+      rtmp-port = 1945;
+      listen = "0.0.0.0";
+    };
+    environment.persistence."/persist".directories = [
+      "/var/lib/owncast"
+    ];
+  };
+}