DOP-5052: fixing link buffer's on mobile

[biancalaube]

Stories/Links:

DOP-5052

Current Behavior:

1. on the $merge page, the links in the field columns in the syntax table
2. replSetGetStatus page, some lines in the output section have this behavior as well (such as electionCandidateMetrics )

Staging Links:

merge page

replSetGetStatus page

definition list item staging

Notes:

• I got rid of the buffer variable in Permalink since it was never used and always undefined when I was testing. No other file called Permalink and gave a buffer value.
• I tested locally with banner-dev and it seemed to work without changing any of the values, but feel free to check yourself
• Make sure the links work on mobile, tablet and full screen
• Check to make sure it didnt mess up other links

README updates

• • This PR introduces changes that should be reflected in the README, and I have made those updates.
• • This PR does not introduce changes that should be reflected in the README

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[seungpark]

see comments below!

[seungpark]

minor points: 1) can we update the docstheme so that navbar has more buffer space (dont need to add another, but we can increase the existing)

and 2) update the staging link pls! it is still on an old commit

otherwise LGTM !

[biancalaube]

@seungpark , changed the offset to be 95px but let me know if you want something different, staging links should work now!

[seungpark]

this LGTM!