Added initial version 0.1.0

Editor/Settings/ProjectValidatorSettings.cs

@@ -0,0 +1,51 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UIElements;
+using UnityEditor.UIElements;
+using UnityEditorInternal;
+
+namespace Module.ProjectValidator.Editor
+{
+    internal sealed class ProjectValidatorSettings : ScriptableObject
+    {
+        public List<string> assemblies = new();
+        
+        private const string AssetPath = "ProjectSettings/ProjectValidatorSettings.asset";
+        private const string StyleSheetName = "StyleSheetProjectValidatorSettings";
+
+        internal static ProjectValidatorSettings GetOrCreate()
+        {
+            var objects = InternalEditorUtility.LoadSerializedFileAndForget(AssetPath);
+            
+            if (objects.Length != 0)
+                return (ProjectValidatorSettings)objects[0];
+
+            var settings = CreateInstance<ProjectValidatorSettings>();
+            InternalEditorUtility.SaveToSerializedFileAndForget(new Object[] { settings }, AssetPath, true);
+            return settings;
+        }
+        
+        [SettingsProvider]
+        public static SettingsProvider CreateProvider()
+        {
+            return new SettingsProvider("Project/Project Validator", SettingsScope.Project)
+            {
+                label = "Project Validator",
+                activateHandler = (_, root) =>
+                {
+                    var settings = GetOrCreate();
+                    var serializedObject = new SerializedObject(settings);
+                    var container = new VisualElement { style = { flexDirection = FlexDirection.Column } };
+                    var propertyField = new PropertyField(serializedObject.FindProperty("assemblies"), "Assemblies");
+                    propertyField.RegisterCallback<ChangeEvent<string>>(_ => InternalEditorUtility.SaveToSerializedFileAndForget(new[] { serializedObject.targetObject }, AssetPath, true));
+                    container.Add(propertyField);
+                    root.Add(container);
+                    root.Bind(serializedObject);
+                    root.styleSheets.Add(EditorAssetUtility.LoadFirstAsset<StyleSheet>(StyleSheetName));
+                },
+                keywords = new HashSet<string>(new[] { "Project", "Validator", "Assemblies" })
+            };
+        }
+    }
+}