[fxcop] Fixes for Wox.Plugin (1of3) (#7457)

* Added CultureInfo (CA1307: Specify StringComparison for clarity / CA1304: Specify CultureInfo)

* Check arguments and throw ArgumentNullException (CA1062: Validate arguments of public methods)

* Changed url parameter from string to System.Uri and added null checks (CA1054: URI parameters should not be strings)

* Rethrow exception without specifying the exception explicitly (CA2200: Rethrow to preserve stack details)

* Changed from Collection property to methods for PluginMetadata::ActionKeywords (CA2227: Collection properties should be read only)

* Changed from Collection property to methods for Result::GetTitleHighlightData (CA2227: Collection properties should be read only)

* Made Collection property read-only and added parameter in constructor for Result::SubTitleHighlightData (CA2227: Collection properties should be read only)

* Made Collection property read only and added parameter in constructor for ResultUpdatedEventArgs::Results (CA2227: Collection properties should be read only)

* CA1507: Use nameof in place of string

* Removed initialization for ThemeManager::_disposed (CA1805: Do not initialize unnecessarily)

* Changed Query::Terms array property to ReadOnlyCollection and added private set (CA1819: Properties should not return arrays)

* CA1060: Move P/Invokes to NativeMethods class

* CA1806: Do not ignore method results

* CA2101: Specify marshaling for P/Invoke string arguments

* Removed unnecessary empty interface IFeatures (CA1040: Avoid empty interfaces)

- Removed IFeatures interface and references
- Renamed IFeatures.cs to IContextMenu.cs according to guidelines

* Added comments for CultureInfo (CA1307: Specify StringComparison for clarity / CA1304: Specify CultureInfo)

* Added localization for Wox.Plugin and localized strings in FilesFolders.cs

src/modules/launcher/Wox.Plugin/PluginMetadata.cs

@@ -14,6 +14,13 @@ namespace Wox.Plugin
     {
         private string _pluginDirectory;
 
+        private List<string> _actionKeywords;
+
+        public PluginMetadata(List<string> actionKeywords = null)
+        {
+            _actionKeywords = actionKeywords;
+        }
+
         public string ID { get; set; }
 
         public string Name { get; set; }
@@ -51,7 +58,15 @@ namespace Wox.Plugin
 
         public string ActionKeyword { get; set; }
 
-        public List<string> ActionKeywords { get; set; }
+        public List<string> GetActionKeywords()
+        {
+            return _actionKeywords;
+        }
+
+        public void SetActionKeywords(List<string> value)
+        {
+            _actionKeywords = value;
+        }
 
         public string IcoPath { get; set; }