Cherry-pick to 7.9: Edit SQL module docs and fix broken doc structure (#21233)#21452

Merged

dedemorton merged 1 commit intoelastic:7.9from dedemorton:backport/7.9/pr-21233

Oct 1, 2020

+127-83

Commits on Oct 1, 2020

Edit SQL module docs and fix broken doc structure (elastic#21233 )

dedemorton
and
bmorelli25
committed