* Added DNS challenge support
* Switch to prebuild pip3 certbot package. Update to python3.
* Code cleanup. Updates according to bashio variable guidelines.
* Update required fields to no preset variable to force entry. Added list of possible values for fields.
* Added README instructions
* Added missing linebreak
* Updates according to "ShellCheck".
* Further "ShellCheck" cleanup
* Added certbot dns plugin version
* Further "ShellCheck" corrections
* Further "ShellCheck" updates
* Update README.md
* Testing other linebreaks
* add .gitignore
* Cleanup
* > instead of >>
* Further cleanup and optimization for new UI features
* Added http port description
* Removed unnecessary info log entry
* Further optimization for UI
* setting optional settings. port_description fix.
* Update config.json
* Delete .gitignore
* Update config.json
* Update run.sh
* Update README.md
* Update README.md