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/math/inRange.d.mts

@@ -0,0 +1,18 @@
+//#region src/compat/math/inRange.d.ts
+/**
+ * Checks if the value is within a specified range.
+ *
+ * @param value The value to check.
+ * @param minimum The lower bound of the range (inclusive).
+ * @param maximum The upper bound of the range (exclusive).
+ * @returns `true` if the value is within the specified range, otherwise `false`.
+ * @throws {Error} Throws an error if the `minimum` is greater or equal than the `maximum`.
+ *
+ * @example
+ * const result1 = inRange(3, 5); // result1 will be true.
+ * const result2 = inRange(1, 2, 5); // result2 will be false.
+ * const result3 = inRange(1, 5, 2); // If the minimum is greater or equal than the maximum, an error is thrown.
+ */
+declare function inRange(value: number, minimum: number, maximum?: number): boolean;
+//#endregion
+export { inRange };