register Umbraco as a provider

src/Umbraco.Web.UI.Client/src/packages/core/auth/manifests.ts

@@ -1,4 +1,5 @@
 import type { ManifestTypes } from '../extension-registry/models/index.js';
 import { manifests as modalManifests } from './modals/manifests.js';
+import { manifests as providerManifests } from './providers/manifests.js';
 
-export const manifests: Array<ManifestTypes> = [...modalManifests];
+export const manifests: Array<ManifestTypes> = [...modalManifests, ...providerManifests];

src/Umbraco.Web.UI.Client/src/packages/core/auth/providers/manifests.ts

@@ -0,0 +1,14 @@
+import type { ManifestAuthProvider } from '@umbraco-cms/backoffice/extension-registry';
+
+export const manifests: Array<ManifestAuthProvider> = [
+	{
+		type: 'authProvider',
+		alias: 'Umb.AuthProviders.Umbraco',
+		name: 'Umbraco login provider',
+		forProviderName: 'Umbraco',
+		weight: 1000,
+		meta: {
+			label: 'Umbraco',
+		},
+	},
+];