Add home assistant to prometheus

services/monitoring/prometheus.nix

@@ -165,6 +165,16 @@
           }
         ];
       }
+      {
+        job_name = "home-assistant";
+        scrape_interval = "60s";
+        metrics_path = "/api/prometheus";
+        static_configs = [
+          {
+            targets = [ "ha1.home.2rjus.net:8123" ];
+          }
+        ];
+      }
     ];
   };
 }