Update widget.js

Add Repositories field to Gitea

src/widgets/gitea/widget.js

@@ -16,6 +16,10 @@ const widget = {
         issues: asJson(data).filter((issue) => !issue.pull_request),
       }),
     },
+    repositories: {
+      endpoint: "repos/search",
+      map: (data) => asJson(data).total_count,
+    },
   },
 };