Broken link to the documentation page in the Readme

[Krzyshio]

• [x] Is this something you can debug and fix? Send a pull request! Bug fixes and documentation fixes are welcome.
• [x] Are you running the latest version?
• [x] Are you reporting to the correct repository?

Bug Report

Environment

• Bulma version: [ v6.1.18 ]
• OS: all
• Browser: all

Current Behavior When clicking on the link to the documentation page in the repository, the user is taken to a page that returns a 404 error.

Possible Solution A possible solution would be to update the link in the repository to point to the correct documentation page. https://bulma-calendar.onrender.com/

Additional context/Screenshots

[michael-hack]

Sorry, a small DNS issue after a server switch. The specified URL https://doc.mh-s.de/bulma-calendar/ is the current version and should be available again in the next few hours (DNS distribution). The other URL and documentation is outdated.