update docs/start/experiments.md

[utkarshsingh99]

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Fix #1508
@shcheklein @jorgeorpinel

[shcheklein]

thanks! please, take a look ...at this moment it's quite repetitive and should be restructured a bit.

[utkarshsingh99]

I tried omitting certain parts which were probably too much detail for someone getting started.
Although, I wasn't able to locate the exact places the cache info is being repeated so wasn't sure what exactly I had to omit.
But I made the content more relevant to its placement and linked it to more about dvc run options.
@shcheklein

[jorgeorpinel]

Hey @utkarshsingh99, I'll take over reviewing this PR. BTW, let's do just 1 PR at a time, please — so I'll focus on this one only for now (you have #1494 also).

I wasn't able to locate the exact places the cache info is being repeated

It is/was all inside that expandable section. The paragraph explaining the options is repetitive with the later note about cache: false right now. I left specific comments about how to fix that though.

Also, I deployed this to https://dvc-landing-patch13-q0vmux9res.herokuapp.com/doc/start/experiments

[jorgeorpinel]

LGTM! Just one last small suggestion left ☝️