Add port forwarding support, improve XML documentation, and add unit tests

build/test.ps1

@@ -0,0 +1,23 @@
+[CmdletBinding()]
+param (
+    [Parameter()]
+    [string]
+    $Configuration = "Debug"
+)
+
+$ErrorActionPreference = 'Stop'
+
+# Define paths
+$rootDir = Split-Path -Parent $PSScriptRoot
+$srcDir = Join-Path -Path $rootDir -ChildPath "src"
+$testDir = Join-Path -Path $srcDir -ChildPath "PSOPNSenseAPI.Tests"
+
+# Run the tests
+Write-Verbose "Running tests in $Configuration configuration"
+dotnet test "$testDir" -c $Configuration
+
+if ($LASTEXITCODE -ne 0) {
+    throw "Tests failed with exit code $LASTEXITCODE"
+}
+
+Write-Output "Tests completed successfully!"