* [DOCS] Updates intro doc
* [DOCS] Incorporates review comments
* [DOCS] Added image of a solution and other tweaks
* [DOCS] Updates image and content in get data section
* [DOCS] Incorporates review comments into docs intro
* Updated Lens and Visualize
* [DOCS] Adds note about Lens
* [DOCS] Added link to es docs
Co-authored-by: Kaarina Tungseth <kaarina.tungseth@elastic.co>
Co-authored-by: Kaarina Tungseth <kaarina.tungseth@elastic.co>
