Move PowerShell scripts to tools/scripts/powershell/

[Thinkersbluff]

Move all PowerShell scripts to organized platform-specific directory.

Tasks:

• Move scripts/Common.ps1 → tools/scripts/powershell/Common.ps1
• Move scripts/Generate-ConfigExample.ps1 → tools/scripts/powershell/Generate-ConfigExample.ps1
• Move scripts/Invoke-PioBuild.ps1 → tools/scripts/powershell/Invoke-PioBuild.ps1
• Move scripts/Join-UpstreamChanges.ps1 → tools/scripts/powershell/Join-UpstreamChanges.ps1
• Move scripts/Run-ExampleConfigBuilds.ps1 → tools/scripts/powershell/Run-ExampleConfigBuilds.ps1
• Move scripts/Update-ConfigExampleChanges.ps1 → tools/scripts/powershell/Update-ConfigExampleChanges.ps1
• Move scripts/Update-ConfigExamples.ps1 → tools/scripts/powershell/Update-ConfigExamples.ps1
• Move scripts/build-incl/ → tools/scripts/powershell/build-incl/

Acceptance Criteria:

• All PowerShell scripts moved to new location
• Execute permissions preserved
• Scripts function correctly from new location

Dependencies: Create tools/ directory structure
Estimate: 2 story points

[Thinkersbluff]

Apologies - this issue was created accidentally during testing of repository automation scripts. This issue has been removed as it was not intended for this repository.