[7.x] [DOCS] Updates add data content (#81093)#82171

Merged

gchaps merged 1 commit intoelastic:7.xfrom gchaps:backport/7.x/pr-81093

Oct 30, 2020

+59-107

Commits on Oct 30, 2020

[DOCS] Updates add data content (elastic#81093 )
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