Rewrite parts of README, reorder sections, and add features section

[basnijholt]

Description

Please include a summary of the change and which (if so) issue is fixed.

Fixes #(ISSUE_NUMBER_HERE)

Checklist

• Fixed style issues using pre-commit run --all (first install using pip install pre-commit)
• pytest passed

Type of change

Check relevant option(s).

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• (Code) style fix or documentation update
• This change requires a documentation update

[codecov-commenter]

Codecov Report

Merging #400 (0e87605) into main (81dc8b5) will increase coverage by 0.03%.
The diff coverage is n/a.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@            Coverage Diff             @@
##             main     #400      +/-   ##
==========================================
+ Coverage   77.94%   77.98%   +0.03%     
==========================================
  Files          38       38              
  Lines        5537     5537              
  Branches      989      989              
==========================================
+ Hits         4316     4318       +2     
+ Misses       1068     1067       -1     
+ Partials      153      152       -1     

see 2 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more