Replace links to cherrypy.org with cherrypy.dev

[mbm-c]

What kind of change does this PR introduce?

• bug fix
• feature
• docs update
• tests/coverage improvement
• refactoring
• other

What is the related issue number (starting with #)

What is the current behavior? (You can also link to an open issue here)
Reame document was having broken links to https://cherrypy.org/, which is not accessible anymore

What is the new behavior (if this is a feature change)?
Links have been changed to use https://cherrypy.readthedocs.io/ as the endpoint

Other information:

Checklist:

• I think the code is well written
• I wrote good commit messages
• I have squashed related commits together after the changes have been approved
• Unit tests for the changes exist
• Integration tests for the changes exist (if applicable)
• I used the same coding conventions as the rest of the project
• The new code doesn't generate linter offenses
• Documentation reflects the changes
• The PR relates to only one subject with a clear title
  and description in grammatically correct, complete sentences

[abhishekmadhu]

We need this.

Today if you go to this site (https://www.cherrypy.org) then you will be greeted by some blog which is really shocking to some degree.

[webknjaz]

Thanks all!

[webknjaz]

FTR cherrypy.org should be replaced with cherrypy.dev everywhere, this PR doesn't address all the places: https://github.com/search?q=org%3Acherrypy+cherrypy.org&type=code.

[mbm-c]

FTR cherrypy.org should be replaced with cherrypy.dev everywhere, this PR doesn't address all the places: https://github.com/search?q=org%3Acherrypy+cherrypy.org&type=code.

would be happy to create a new pr for fixing all the references.

[webknjaz]

Feel free to proceed. In this repo and others under the org.