[27.0 backport] cli reference overview base cmd

[dvdksn]

• backport of #5010

Make the base docker command the overview page for the CLI reference documentation.

Cherry-picks:

• a683823383594cdc9a7464d52e98436e876316dc
• 03961449aa5fdb7c1b7778e68d20d0e55b910a59
• cfea2353b38020066113e369e32e1dbbd87e66df
• b0650f281e156f1a28bb353b5a0100fdfb954f44
• bf33c8f10ac8bbc32e977f22d861c3118638bfd3
• 3d4c12af73c1cfef7c4425926b3a51a077c66e1b
• 8549d250f69a4f16e3084b698927cfcfe7f54bc2
• dc22572e3ebee23b2a1435141217ff55b492f1ca

[codecov-commenter]

Codecov Report

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

Project coverage is 61.40%. Comparing base (59fb099) to head (0a8bb6e).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 27.0 #5237 +/- ## ========================================== - Coverage 61.43% 61.40% -0.03% ========================================== Files 298 295 -3 Lines 20806 20801 -5 ========================================== - Hits 12782 12773 -9 - Misses 7110 7112 +2 - Partials 914 916 +2 ```