Add open web ui for ollama to crow

modules/hosts/crow/configuration.nix

@@ -108,6 +108,20 @@
       loadModels = [ "deepseek-r1:32b" "qwen3.5:14b" ];
     };
 
+    services.open-webui = {
+      enable = true;
+      host = "127.0.0.1";
+      port = 8080;
+      environment = {
+        OLLAMA_API_BASE_URL = "http://127.0.0.1:11434";
+    
+        # Keep telemetry disabled to ensure complete privacy
+        ANONYMIZED_TELEMETRY = "False";
+        DO_NOT_TRACK = "True";
+        SCARF_NO_ANALYTICS = "True";
+      };
+    };
+
     boot = {
       loader = {
         systemd-boot.enable = true;