Fix / add instructions for installations from source to elasticsearch docs
What does this MR do?
Mechanically adds "Installation from source" sections to all shell snippets in the elasticsearch integration doc
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
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Documentation created/updated - Review
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Has been reviewed by Backend
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Conform by the style guides -
Squashed related commits together