Towards better release procedure

[stronk7]

• Prepare release commit (CHANGELOG), triple-check and push.
• Wait for CI to finish.
• Tag locally and push.
• Tadaaa!

Plus new doc created to have the procedure written.

Ciao :-)

Closes #148

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.90%. Comparing base (02a279e) to head (c883070).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #152 +/- ## ========================================= Coverage 97.90% 97.90% Complexity 850 850 ========================================= Files 37 37 Lines 2524 2524 ========================================= Hits 2471 2471 Misses 53 53 ```

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[kabalin]

LGTM!

[stronk7]

Thanks guys, merging!