Add scripts for building and managing RustDesk versions

- Implement Build-CustomRustDesk.ps1 to build RustDesk with specified version and configuration.
- Create Get-LastBuiltVersion.ps1 to retrieve the last built version from a state file.
- Add Get-LatestRustDeskVersion.ps1 to fetch the latest version from GitHub releases.
- Develop Invoke-RustDeskPipeline.ps1 to orchestrate the build and deployment process.
- Introduce Publish-Artifacts.ps1 for publishing build artifacts via SMB or SCP.
- Implement Set-LastBuiltVersion.ps1 to update the state file with the last built version.

scripts/Set-LastBuiltVersion.ps1

@@ -0,0 +1,17 @@
+function Set-LastBuiltVersion {
+  [CmdletBinding()]
+  param(
+    [Parameter(Mandatory = $true)]
+    [string]$StateFilePath,
+
+    [Parameter(Mandatory = $true)]
+    [string]$Version
+  )
+
+  $parent = Split-Path -Parent $StateFilePath
+  if (-not (Test-Path -LiteralPath $parent)) {
+    New-Item -Path $parent -ItemType Directory -Force | Out-Null
+  }
+
+  Set-Content -LiteralPath $StateFilePath -Value $Version -Encoding Ascii
+}