Update gems, remove lunr.js

[noahp]

Use Google Programmable Search instead.

Fix drive by unprintables in one article I noticed while on side quests trying to fix lunr.js.

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Deploying interrupt with    Cloudflare Pages

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[tyhoff]

Woof, this is ugly - but props to you for getting it to work and improving what we have today.

[noahp]

Thank you for tackling this - would like @tyhoff 's review as well though. I think we'll want to for v2 look at prettifying the search bar but this is a great v1.

+1, it's truly ugly, would love to polish it up