Add Product Hunt banner

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 50dd5b2):

https://ai-oklch--pr96-feature-ph-banner-93h5dttm.web.app

_{(expires Thu, 04 May 2023 16:49:42 GMT)}

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_{Sign: 60f1cd656307e71129cfe1233ddc75c9d0be82b9}

[romashamin]

I can see the empty block:

[ai]

Seems like Product Hunt allows banner image request only from the promoted website (or localhost).

This is how it looks locally:

I will merge it on the launch day.

[romashamin]

It looks good to me.