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/es-toolkit/dist/compat/object/set.js

@@ -0,0 +1,34 @@
+const require_updateWith = require("./updateWith.js");
+//#region src/compat/object/set.ts
+/**
+* Sets the value at the specified path of the given object. If any part of the path does not exist, it will be created.
+*
+* @template T - The type of the object.
+* @param obj - The object to modify.
+* @param path - The path of the property to set.
+* @param value - The value to set.
+* @returns The modified object.
+*
+* @example
+* // Set a value in a nested object
+* const obj = { a: { b: { c: 3 } } };
+* set(obj, 'a.b.c', 4);
+* console.log(obj.a.b.c); // 4
+*
+* @example
+* // Set a value in an array
+* const arr = [1, 2, 3];
+* set(arr, 1, 4);
+* console.log(arr[1]); // 4
+*
+* @example
+* // Create non-existent path and set value
+* const obj = {};
+* set(obj, 'a.b.c', 4);
+* console.log(obj); // { a: { b: { c: 4 } } }
+*/
+function set(obj, path, value) {
+	return require_updateWith.updateWith(obj, path, () => value, () => void 0);
+}
+//#endregion
+exports.set = set;