Added GameObject Validators

Editor/Validators/Component/ComponentValidatorSkinnedMeshRenderer.cs

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+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Module.ProjectValidator.Editor
+{
+    internal sealed class ComponentValidatorSkinnedMeshRenderer : IComponentValidator<SkinnedMeshRenderer>
+    {
+        public void Validate(SkinnedMeshRenderer component, List<ValidatorResult> results)
+        {
+            var materials = component.sharedMaterials;
+
+            for (var i = 0; i < materials.Length; i++)
+            {
+                if (materials[i] == null)
+                    results.Add(ValidatorResult.Create(EValidatorSeverity.Error, $"Missing material in slot #{i}"));
+            }
+            
+            if (component.sharedMesh == null)
+                results.Add(ValidatorResult.Create(EValidatorSeverity.Error, "Missing mesh"));
+        }
+    }
+}

Editor/Validators/Component/ComponentValidatorSkinnedMeshRenderer.cs.meta

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+fileFormatVersion: 2
+guid: 1610561c53a0aa84aaa903e5dde29694

Editor/Validators/GameObject.meta

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+fileFormatVersion: 2
+guid: 45fa253dcfa349d5b1e9bd56ebac7c98
+timeCreated: 1779133809

Editor/Validators/GameObject/GameObjectValidatorBrokenPrefab.cs

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+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace Module.ProjectValidator.Editor
+{
+    internal sealed class GameObjectValidatorBrokenPrefab : IGameObjectValidator
+    {
+        public void Validate(GameObject gameObject, List<ValidatorResult> results)
+        {
+            if (PrefabUtility.IsPrefabAssetMissing(gameObject))
+                results.Add(ValidatorResult.Create(EValidatorSeverity.Error, "GameObject is missing prefab asset"));
+        }
+    }
+}

Editor/Validators/GameObject/GameObjectValidatorBrokenPrefab.cs.meta

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+fileFormatVersion: 2
+guid: 8fd1dfcd3d564622a918e2175499318d
+timeCreated: 1779133864

Editor/Validators/GameObject/GameObjectValidatorMissingComponents.cs

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+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace Module.ProjectValidator.Editor
+{
+    internal sealed class GameObjectValidatorMissingComponents : IGameObjectValidator
+    {
+        public void Validate(GameObject gameObject, List<ValidatorResult> results)
+        {
+            var count = GameObjectUtility.GetMonoBehavioursWithMissingScriptCount(gameObject);
+            
+            if (count != 0)
+                results.Add(ValidatorResult.Create(EValidatorSeverity.Error, $"GameObject is missing {count} component(s)"));
+        }
+    }
+}

Editor/Validators/GameObject/GameObjectValidatorMissingComponents.cs.meta

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+fileFormatVersion: 2
+guid: 66cbc43729ec4e81a9e353e537b3ccf0
+timeCreated: 1779133947