docs: add production deployment guide (#471)
* docs: update README and add guide for deploying FrankenPHP on Digital Ocean
* Update docs/deploy-frankenphp-digital-ocean.md
Co-authored-by: Kévin Dunglas <kevin@dunglas.fr>
* Update docs/deploy-frankenphp-digital-ocean.md
Co-authored-by: Kévin Dunglas <kevin@dunglas.fr>
* rewrite
* add images
* linter
* missing dot
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Co-authored-by: Trusted97 <benux9700@gmail.com>
Co-authored-by: Gianluca <37697178+Trusted97@users.noreply.github.com>
