docs: Reorganize introduction (#41387)

Release Notes:
- Remove Windows/Linux from Getting Started
- Consolidate download & system into new Installation page
- Move Remote Dev out of Windows and into Remote Development
- Add Uninstall page
- Add updates page
- Remove addl learning materials from intro
b75736568bKatie Geer committed on 10/28/2025, 8:39:40 PM· committed by GitHubparent360074e
18 files changedLine totals unavailable