docs: backport svg / html changes to v1

[t-bltg]

Backport:

• render more html and svg in docs #5147;
• add pre-commit hook #5146.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.80%. Comparing base (fa65e7d) to head (e70f017).
Report is 62 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5148      +/-   ##
==========================================
+ Coverage   89.77%   89.80%   +0.03%     
==========================================
  Files          40       40              
  Lines        8780     8909     +129     
==========================================
+ Hits         7882     8001     +119     
- Misses        898      908      +10     

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[Ickaser]

This looks... pretty breaking to me, to be changing the default filetype. Should probably not be in a minor release

[t-bltg]

pretty breaking to me, to be changing the default filetype

Agreed, this shouldn't have landed into v1 I'll revert it ASAP in #5167.