docs(typedoc): document function examples

src/functions/randomInRange.ts

@@ -24,6 +24,12 @@
  * Uses Math.random(), which is not cryptographically secure
  * Returns only integers
  *
+ * @example
+ * ```ts
+ * // prints 66
+ * console.log(randomInRange(1, 100))
+ * ```
+ *
  * @param min - minimum acceptable value
  * @param max - maximum acceptable value
  * @returns number [min; max]