Summary: Aha! adds detailed product feature sections

Why It Matters: This change makes it easier for users to see what each Aha! product does.

What Changed:

• The homepage now starts with "The World's #1 Product Development Software".
• New sections were added to highlight individual Aha! products with descriptions and "Start tour" links.
• New sections were added to showcase customer testimonials with specific metrics.
• A new section was added with company statistics like "Product builders" and "Revenue".
• A "Trending Resources for product teams" section was added with links to blog posts and guides.
• The footer was greatly expanded with more detailed links under "Products", "Company", "Resources", "Popular links", and "Contact us".
• A search icon was added next to the login button.