feat: Added Attribute Comparison docs

[sfanahata]

DESCRIBE YOUR PR

Added new feature Attribute Comparison docs

Main update: https://sentry-docs-git-attribute-comparison-docs.sentry.dev/product/explore/trace-explorer/#compare-attributes-beta

https://sentry-docs-git-attribute-comparison-docs.sentry.dev/product/sentry-basics/performance-monitoring/#3-trace-explorer-find-root-causes--common-patterns-for-performance-issues

IS YOUR CHANGE URGENT?

Help us prioritize incoming PRs by letting us know when the change needs to go live.

• Urgent deadline (GA date, etc.): This week
• Other deadline:
• None: Not urgent, can wait up to 1 week+

SLA

• Teamwork makes the dream work, so please add a reviewer to your PRs.
• Please give the docs team up to 1 week to review your PR unless you've added an urgent due date to it.
  Thanks in advance for your help!

PRE-MERGE CHECKLIST

Make sure you've checked the following before merging your changes:

• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Review	Updated (UTC)
sentry-docs	Ready	Preview, Comment	Dec 16, 2025 1:08am

1 Skipped Deployment

Project	Deployment	Review	Updated (UTC)
develop-docs	Ignored		Dec 16, 2025 1:08am