Fix caddy logging

system/monitoring/logs.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ config, ... }:
 {
   services.promtail = {
     enable = true;
@@ -36,6 +36,19 @@
             }
           ];
         }
+        {
+          job_name = "varlog";
+          static_configs = [
+            {
+              targets = [ "localhost" ];
+              labels = {
+                job = "varlog";
+                __path__ = "/var/log/**/*.log";
+                hostname = "${config.networking.hostName}";
+              };
+            }
+          ];
+        }
       ];
     };
   };