Add option to disable MS Store app results in Windows Search (#509)

This also includes:

* Update README for DisableSearchHighlights and DisableFindMyDevice

* Extracted more logic from main script into separate scripts

* Add event handler for tab changes to regenerate overview

Scripts/Features/RestartExplorer.ps1

@@ -0,0 +1,26 @@
+# Restart the Windows Explorer process
+function RestartExplorer {
+    Write-Host "> Attempting to restart the Windows Explorer process to apply all changes..."
+    
+    if ($script:Params.ContainsKey("Sysprep") -or $script:Params.ContainsKey("User") -or $script:Params.ContainsKey("NoRestartExplorer")) {
+        Write-Host "Explorer process restart was skipped, please manually reboot your PC to apply all changes" -ForegroundColor Yellow
+        return
+    }
+
+    foreach ($paramKey in $script:Params.Keys) {
+        if ($script:Features.ContainsKey($paramKey) -and $script:Features[$paramKey].RequiresReboot -eq $true) {
+            $feature = $script:Features[$paramKey]
+            Write-Host "Warning: '$($feature.Action) $($feature.Label)' requires a reboot to take full effect" -ForegroundColor Yellow
+        }
+    }
+
+    # Only restart if the powershell process matches the OS architecture.
+    # Restarting explorer from a 32bit PowerShell window will fail on a 64bit OS
+    if ([Environment]::Is64BitProcess -eq [Environment]::Is64BitOperatingSystem) {
+        Write-Host "Restarting the Windows Explorer process... (This may cause your screen to flicker)"
+        Stop-Process -processName: Explorer -Force
+    }
+    else {
+        Write-Host "Unable to restart Windows Explorer process, please manually reboot your PC to apply all changes" -ForegroundColor Yellow
+    }
+}