Begin work on making homepage product-oriented for support

[cbrownstein-lambda]

This PR improves the homepage to be more product-oriented for support:

• The product images link to the corresponding docs section instead of to marketing pages.
• The top FAQs for each product are prominently displayed.

Closes: #89

[cloudflare-workers-and-pages[bot]]

Deploying with    Cloudflare Pages

Latest commit:	e6f1036
Status:	✅  Deploy successful!
Preview URL:	https://0dc35128.lambda-docs.pages.dev
Branch Preview URL:	https://product-oriented-homepage.lambda-docs.pages.dev

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