Waiting Room: Random Queueing and Custom Web/Mobile Apps

Introduced random queueing as an alternative to FIFO queueing for Cloudflare Waiting Room. This new method selects users randomly from the queue, providing a fair chance for all participants, especially beneficial for short-lived, high-demand events. The implementation maintains the underlying FIFO structure, allowing for seamless transitions between queueing methods and preserving user arrival order when switching back to FIFO.