chore: move blanket redirects to gatsby

[fuziontech]

Changes

Move blanket redirects to gatsby code

Add screenshots or screen recordings for visual / UI-focused changes.

Checklist

• [ ] Titles are in sentence case
• [ ] Feature names are in title case
• [ ] Words are spelled using American English
• [ ] I have checked out our style guide

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

Deploying with    Cloudflare Pages

Latest commit:	380721e
Status:	✅  Deploy successful!
Preview URL:	https://0905f2fc.posthog-com.pages.dev
Branch Preview URL:	https://more-redirects.posthog-com.pages.dev

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[corywatilo]

Closing since we never moved and this will probably need to be revisited if we ever do