Scripting - Enabled scripting (#638)

* Scripting - Simplified view model structure
* Scripting - Removed Layer and LayerProperty scripts

src/Artemis.Core/Plugins/ScriptingProviders/ScriptConfiguration.cs

@@ -9,6 +9,7 @@ namespace Artemis.Core.ScriptingProviders
     public class ScriptConfiguration : CorePropertyChanged, IStorageModel
     {
         private bool _hasChanges;
+        private bool _isSuspended;
         private string _name;
         private string? _pendingScriptContent;
         private string? _scriptContent;
@@ -79,6 +80,16 @@ namespace Artemis.Core.ScriptingProviders
             }
         }
 
+        // TODO: Implement suspension
+        /// <summary>
+        ///     [NYI] Gets or sets a boolean indicating whether this configuration is suspended
+        /// </summary>
+        public bool IsSuspended
+        {
+            get => _isSuspended;
+            set => SetAndNotify(ref _isSuspended, value);
+        }
+
         /// <summary>
         ///     Gets or sets a boolean indicating whether this configuration has pending changes to it's
         ///     <see cref="ScriptContent" />