[DOCS]: Community Feedback Suggestions Summary

Task description

Curating here possible and concrete tasks that we could clarify, write, or point to in our documentation from the recent survey from the Let's Encrypt Community Forum.

• Pointing to or writing out “the basics” of Web PKI to understand how to use Certbot
• Discuss standalone ACME clients in general and the waning need for them
  • https://www.eff.org/deeplinks/2024/03/should-caddy-and-traefik-replace-certbot
• Removing Windows instructions from the Instructions Generator
• Basic examples of what happens to your environment once Certbot establishes a certificate. Like the vhosts file and configs
• Uplifting CA clarification on LE staging servers and errors with non-LE CAs