Overflow markdown tables with scrollbar

[tandr3w]

Closes #2207

Before:

After:

[codecov-commenter]

Codecov Report

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

Project coverage is 46.76%. Comparing base (6124519) to head (816a6cc).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2325 +/- ## ======================================= Coverage 46.76% 46.76% ======================================= Files 251 251 Lines 13317 13317 ======================================= Hits 6228 6228 Misses 7089 7089 ```

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