docs(scopes): Add image for scope inheritance/merging

[s1gr1d]

DESCRIBE YOUR PR

This image already exists on the "Hub & Scope Refactoring" page, but is now also added to the "Scopes" page to make the content easier to grasp.

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.):
• 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]

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Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ready	Preview	Comment	Oct 17, 2025 8:06am

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
sentry-docs	Ignored			Oct 17, 2025 8:06am

[andreiborza]

Love this image :)