Set up documentation on read the docs

[hmpf]

Scope and purpose

Secures the zino namespace on read the docs.

Contributor Checklist

Every pull request should have this checklist filled out, no matter how small it is.
More information about contributing to Zino can be found in the
README.

• Added a changelog fragment for towncrier
• Added/amended tests for new/changed code

There are no code changes, hence no tests.

• Added/changed documentation
• Linted/formatted the code with black, ruff and isort, easiest by using pre-commit

There are no code changes, hence no linting.

• The first line of the commit message continues the sentence "If applied, this commit will ...", starts with a capital letter, does not end with punctuation and is 50 characters or less long. See https://cbea.ms/git-commit/
• If applicable: Created new issues if this PR does not fix the issue completely/there is further work to be done

[hmpf]

Black complains about "docs/conf.py" which is autogenerated.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.66%. Comparing base (b19d9fa) to head (92a0727).
Report is 9 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #372   +/-   ##
=======================================
  Coverage   98.66%   98.66%           
=======================================
  Files          77       77           
  Lines        9711     9711           
=======================================
  Hits         9581     9581           
  Misses        130      130           

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[lunkwill42]

Looks decent, just nitpicking details :)

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud