Improve app page with sorting, recommendations and more (#520)

Scripts/Helpers/GenerateAppsList.ps1

@@ -0,0 +1,20 @@
+# Generates a list of apps to remove based on the Apps parameter
+function GenerateAppsList {
+    if (-not ($script:Params["Apps"] -and $script:Params["Apps"] -is [string])) {
+        return @()
+    }
+
+    $appMode = $script:Params["Apps"].toLower()
+
+    switch ($appMode) {
+        'default' {
+            $appsList = LoadAppsFromFile $script:AppsListFilePath
+            return $appsList
+        }
+        default {
+            $appsList = $script:Params["Apps"].Split(',') | ForEach-Object { $_.Trim() }
+            $validatedAppsList = ValidateAppslist $appsList
+            return $validatedAppsList
+        }
+    }
+}