Add support for zen mode in scope

[ibreakthecloud]

zenMode: This is the mode where scope will render just the topology, no header and footer, ideal for scope with smaller iframe(embedded frames)

• Add a flag zenMode and read from URL
• (future-scope): Add support for keyboard shortcut to toggle

Without ZenMode With ZenMode

Signed-off-by: ibreakthecloud harshvardhan.karn@mayadata.io

[ibreakthecloud]

/assign @avrahul

[coveralls]

Pull Request Test Coverage Report for Build 2175

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3902 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.004%) to 26.651%

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Files with Coverage Reduction	New Missed Lines	%
app/multitenant/consul_pipe_router.go	6	77.74%
render/detailed/detailed.codecgen.go	1337	28.65%
report/report.codecgen.go	2559	34.96%
<!--	Total:	3902		-->

Totals
Change from base Build 2127:	-0.004%
Covered Lines:	14930
Relevant Lines:	56021

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💛 - Coveralls

[ibreakthecloud]

PR looks fine @ibreakthecloud !! Thanks. Can you please add some code comments to know what exactly is this and how a user can request for the same?

Inside JSX, scope doesn't really have any comments, but yes the place where zenMode is defined I will definitely add a comment and it's usage. But if you want I will put in JSX as well