Summary: Waitlist adds waitlist tiers

Why It Matters: Waitlist now offers different levels of waitlist features.

What Changed:

• The website now talks about "Waitlist tiers."
• It mentions "Free," "Pro," and "Enterprise" tiers.
• It says the Free tier has "basic waitlist features."
• It says the Pro tier has "advanced waitlist features."
• It says the Enterprise tier has "custom waitlist features."