- Validator: Added asset validators with material texture and shader validation

- Validator: Added option to enable/disable certain validators
- Project Settings: Fixed issue, where changes weren't always saved
- Unity: Removed deprecated warnings in Unity 6.4

README.md

@@ -1,15 +1,50 @@
 # Description
 
-A tool to help validate data across scenes, prefabs and scriptable objects.
+A tool to help validate data across scenes, prefabs, scriptable objects and assets.
 
 ![Editor Window](~Images/editor-window.png)
 
-### Unity Windows
+## Unity Windows
 
 ![Hierachy Window](~Images/editor-hierarchy-window.png)
 ![Project Window](~Images/editor-project-window.png)
 
-## Game Object Validators
+## Settings
+![Project Settings](~Images/editor-project-settings.png)
+
+
+## Validators
+
+### Asset Validators
+
+```csharp
+public sealed class AssetValidatorMaterialTexture : IAssetValidator<Material>
+{
+    public void Validate(Material obj, List<ValidatorResult> results)
+    {
+        if (obj.shader == null)
+            return;
+
+        var count = obj.shader.GetPropertyCount();
+
+        for (var i = 0; i < count; i++)
+        {
+            var propertyType = obj.shader.GetPropertyType(i);
+            
+            if (propertyType != ShaderPropertyType.Texture)
+                continue;
+            
+            var propertyName = obj.shader.GetPropertyName(i);
+            var propertyValue = obj.GetTexture(propertyName);
+            
+            if (propertyValue == null)
+                results.Add(ValidatorResult.Create(EValidatorSeverity.Warning, $"Texture property '{propertyName}' is Null"));
+        }
+    }
+}
+```
+
+### Game Object Validators
 
 ```csharp
 public sealed class GameObjectValidatorBrokenPrefab : IGameObjectValidator
@@ -22,7 +57,7 @@ public sealed class GameObjectValidatorBrokenPrefab : IGameObjectValidator
 }
 ```
 
-## Component Validators
+### Component Validators
 
 ```csharp
 public sealed class ComponentValidatorMeshCollider : IComponentValidator<MeshCollider>
@@ -35,7 +70,7 @@ public sealed class ComponentValidatorMeshCollider : IComponentValidator<MeshCol
 }
 ```
 
-## Attribute Validators
+### Attribute Validators
 
 The field attribute:
 ```csharp