feat(capabilities): add localhost URL to default permissions

- Updated the default capabilities configuration to allow access to http://localhost:3040 in addition to the existing https://haystack.johncosta.tech URL.

frontend/src-tauri/capabilities/default.json

@@ -15,7 +15,14 @@
         "http:default",
         {
             "identifier": "http:default",
-            "allow": [{ "url": "https://haystack.johncosta.tech" }]
+            "allow": [
+                {
+                    "url": "https://haystack.johncosta.tech"
+                },
+                {
+                    "url": "http://localhost:3040"
+                }
+            ]
         }
     ]
 }