Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/workbox-build/src/get-manifest.ts

@@ -0,0 +1,37 @@
+/*
+  Copyright 2018 Google LLC
+
+  Use of this source code is governed by an MIT-style
+  license that can be found in the LICENSE file or at
+  https://opensource.org/licenses/MIT.
+*/
+
+import {getFileManifestEntries} from './lib/get-file-manifest-entries';
+import {GetManifestOptions, GetManifestResult} from './types';
+import {validateGetManifestOptions} from './lib/validate-options';
+
+/**
+ * This method returns a list of URLs to precache, referred to as a "precache
+ * manifest", along with details about the number of entries and their size,
+ * based on the options you provide.
+ *
+ * ```
+ * // The following lists some common options; see the rest of the documentation
+ * // for the full set of options and defaults.
+ * const {count, manifestEntries, size, warnings} = await getManifest({
+ *   dontCacheBustURLsMatching: [new RegExp('...')],
+ *   globDirectory: '...',
+ *   globPatterns: ['...', '...'],
+ *   maximumFileSizeToCacheInBytes: ...,
+ * });
+ * ```
+ *
+ * @memberof workbox-build
+ */
+export async function getManifest(
+  config: GetManifestOptions,
+): Promise<GetManifestResult> {
+  const options = validateGetManifestOptions(config);
+
+  return await getFileManifestEntries(options);
+}