added variable time update

flake.nix

@@ -88,6 +88,12 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
               The file path to the toml that contains user information secrets
             '';
           };
+          frequency = lib.mkOption {
+            type = lib.type.int;
+            description = lib.mdDoc ''
+              The number of minutes to wait between updates
+            '';
+          };
         };
         config.systemd.services.status_cloud = let
           cfg = config.services.status_cloud;
@@ -109,7 +115,7 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
         in lib.mkIf cfg.enable {
           wantedBy = [ "timers.target" ];
           partOf = [ "status_cloud.service" ];
-          timerConfig.OnCalendar = [ "*:0/15" ];
+          timerConfig.OnCalendar = [ "*:0/${builtins.toString cfg.frequncy}" ];
         };
 
       };