Static llms.txt route on the website (#10677)
* create route
* add changeset
* formatting
* fix
* fix
* actually fix
* formatting
* try with cloudflare adapter?
* test
* damn
* using cloudflare adapter properly
* formatting
* please
* ??
* ???
* test
* fix
* fix
* ????
* lockfile
* do just static instead
* add changeset
* remove instructions
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