chore(kno-13473): clarify branch selector location

[cellomatt]

Description

Updates some descriptions on the branches page and adds a screenshot of the dashboard to alleviate customer confusion about how to switch branches.

https://docs-r6jlzs06m-knocklabs.vercel.app/version-control/branches

[linear-code]

KNO-13473

[vercel]

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Jun 3, 2026 3:12pm

[cursor]

Risk MEDIUM: Clarifies branch selector location in the branches doc and adds a screenshot to help users find it.

Reasons

• A new image (public/images/version-control/branch-selector.png) is added to /public/images/, which triggers MEDIUM risk per classification rules.
• Only 2 files changed with a small diff (17 additions, 5 deletions), which would otherwise be LOW risk.
• No component, layout, library, or config files are modified.
• No new MDX pages or sidebar changes.
• Changes are scoped to a single documentation section (content/version-control/).

Notes

• The Image component on the new screenshot uses className="rounded-md mx-auto border border-gray-200", but per the style guide the component automatically applies rounded-md, border, and border-gray-200 styling. The className should be just className="mx-auto" to avoid redundant classes.

  

_{Sent by Cursor Automation: Docs PR classifier}