## What
Created CDC best practices guide.
## How
- Created a dedicated CDC sidebar and moved it under `Moving and
Managing Data → Connections and Streams → Sync Modes.`
- Added the new documentation file to both `v1.8` and the new platform
version.
- Updated the sidebar configuration (sidebar.js) to include the new
guide.
## Review guide
Preview:
<img width="346" height="485" alt="Screenshot 2025-10-14 at 9 51 25 AM"
src="https://github.com/user-attachments/assets/46706717-a85a-4c99-af3c-530fa7793fa3"
/>
## User Impact
None
## Can this PR be safely reverted and rolled back?
<!--
* If unsure, leave it blank.
-->
- [ ] YES 💚
- [ ] NO ❌
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Co-authored-by: ian-at-airbyte <ian.alton@airbyte.io>
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