Summary: PostHog Web analytics pricing changed

Why It Matters: This change makes PostHog Web analytics pricing clearer.

What Changed:

• Added a new navigation bar at the top with links to "Why PostHog?", "Products", "Pricing", "Docs", "Community", and "Company".
• Added a "Get started" button at the top.
• Added a list of all PostHog products, including new ones like "LLM analytics" and "Max AI".
• Added a "Get started - free" button and "Talk to a human" link near the top.
• Added a new section for "Usage-based pricing" for Web analytics.
• Removed the "So, what's best for you?" section's pricing details.
• Added a "PostHog vs..." section with comparisons to GA4 and Matomo.
• Added a "Visit changelog" link in the "Roadmap & changelog" section.
• Added progress updates and comments to the "Cookieless web analytics" roadmap item.
• Added new questions to the "Questions?" section.
• Updated the "Pairs great with..." section with new product suggestions like "Product analytics", "Session replay", and "Surveys".
• Updated the "If nothing else has sold you on PostHog..." section with new marketing tactics like "Eco-friendly PostHog Cloud" and "Digital download".
• Added options for "US (Virginia)" and "EU (Frankfurt)" under "Select your cloud".
• Updated the number of companies signed up from 544 to 561.
• Added a new footer with detailed links under "Products", "Product OS", "Docs", and "Community".
• Added new team members: Robbie Coomber, Anna Szell, Lucas Ricoy, and Javier Bahamondes.