Refresh Dev Experience, add scout, copilot 365

[goodtocode]

Refresh Dev Experience powershell, add scout, copilot 365

Goal: Sync with md and ps1

• New-DevMachine.ps1
• How-to Setup - Dev Machine.md
  The goal is this github issue is to take any advancements/cleanups from the markdown mentioned and sync to powershell and vise versa. Things like ollama is an add, removed most (except may be 1 or 2) non microsoft VS code extensions. Removed (or make strongly optional) node and python

1. New tools
   winget install --id Microsoft.ScoutAgent --exact --silent --accept-package-agreements --accept-source-agreements
   winget install --id Microsoft.365Copilot --exact --silent --accept-package-agreements --accept-source-agreements
2. Refresh based on MD advancements
3. VS Code didnt install, I think it is the switches. If have to, go simple winget cli. It didnt report error, just didnt install
4. set gitconfig name/email via parameters in ps1
5. Ensure VS Community 2026 is the right winget, I think the no-version/no-year in the package is the correct one, double check.
6. Update vs code extensions - some are deprecated now. Crical extensions are C#, SQL Project, SSMS, bicep, yml (redhat), powershell.