Google Tag Manager documentation improvements

[mintlify]

Add Session Replay UI controls as an option to custom init config

Mintlify

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[greptile-apps]

Confidence Score: 5/5

This looks safe to merge.

• The walkthrough video now has valid nested source markup.
• No remaining blocking issue was found in the updated guidance.

Important Files Changed

Filename	Overview
docs/tracking-methods/integrations/google-tag-manager.mdx	Updates GTM initialization guidance, fixes the video markup, and reformats MDX content.

_{Reviews (3): Last reviewed commit: "Merge branch 'main' into ross_update_gtm..." | Re-trigger Greptile}