foundryvtt: Enable backups

configuration/services/foundryvtt.nix

@@ -12,6 +12,8 @@ in {
     enable = true;
     hostName = domain;
     minifyStaticFiles = true;
+    proxySSL = true;
+    proxyPort = 443;
   };
 
   # Want to start it manually when I need it, not have it constantly
@@ -33,4 +35,12 @@ in {
       proxyPass = "http://localhost:${toString port}";
     };
   };
+
+  services.backups.foundryvtt = {
+    user = "foundryvtt";
+    paths = [
+      config.services.foundryvtt.dataDir
+    ];
+    pauseServices = ["foundryvtt.service"];
+  };
 }