docs: Adding FE instrumentation requirements for Playwright And Cypress

[xoscar]

This PR adds an information banner to doc pages for Playwright and Cypress to link to the requirements blog post

https://tracetest.io/blog/tracetest-tip-instrumentation-for-end-to-end-tests

Changes

• Updates playwright docs pages with new info banner

Fixes

• https://github.com/kubeshop/tracetest-cloud/issues/730

Checklist

• [x] tested locally
• [ ] added new dependencies
• [ ] updated the docs
• [ ] added a test

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Name	Status	Preview	Comments	Updated (UTC)
tracetest	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 24, 2024 9:54pm