Add expected User-Agent format to SDK docs (getsentry#1222)

* adds user-agent format

* adds info about semicolon separator

* adds examples for basic user agent

* Update src/docs/sdk/overview.mdx

Co-authored-by: Joris Bayer <joris.bayer@sentry.io>

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Co-authored-by: Joris Bayer <joris.bayer@sentry.io>

fix(ddm): Remove discouraging of gauges (getsentry#1224)

Unified API Disclaimer (getsentry#1193)

With the work on hubs and scopes refactoring, this page needs a disclaimer even more than before https://develop.sentry.dev/sdk/hub_and_scope_refactoring/


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Co-authored-by: Anton Pirker <anton.pirker@sentry.io>
Co-authored-by: Alexander Dinauer <adinauer@users.noreply.github.com>

Add frames delay (getsentry#1153)

Add docs for the performance metric frames delay.

Update feature flags and screenshot (getsentry#1143)

* Update ui.mdx

* Update sidebar screenshot

* Update ui.mdx

report CSP violations to a separate Sentry project (getsentry#1140)

docs(issue-platform): Clarify documentation for StatusChangeMessage p…

…ayloads (getsentry#1128)

Update docs for StatusChangeMessage

feat: Rename delightful developer metrics to sentry developer metrics

Fix typo (getsentry#1109)

fix: Update MS Teams installation instructions (getsentry#1094)