I like it move it move it

Azaion.Annotator/DTO/Config.cs

@@ -0,0 +1,60 @@
+using System.Drawing;
+using System.IO;
+using System.Reflection;
+using System.Text;
+using Newtonsoft.Json;
+using Size = System.Windows.Size;
+using Point = System.Windows.Point;
+
+namespace Azaion.Annotator.DTO;
+
+public class Config
+{
+    private const string CONFIG_PATH = "config.json";
+    private const string DEFAULT_VIDEO_DIR = "video";
+    private const string DEFAULT_LABELS_DIR = "labels";
+    private const string DEFAULT_IMAGES_DIR = "images";
+    private static readonly Size DefaultWindowSize = new(1280, 720);
+    private static readonly Point DefaultWindowLocation = new(100, 100);
+    
+    
+    public string VideosDirectory { get; set; } = DEFAULT_VIDEO_DIR;
+    public string LabelsDirectory { get; set; } = DEFAULT_LABELS_DIR;
+    public string ImagesDirectory { get; set; } = DEFAULT_IMAGES_DIR;
+    
+    public List<AnnotationClass> AnnotationClasses { get; set; } = [];
+    public Size WindowSize { get; set; }
+    public Point WindowLocation { get; set; }
+    public bool ShowHelpOnStart { get; set; }
+
+    public void Save()
+    {
+        File.WriteAllText(CONFIG_PATH, JsonConvert.SerializeObject(this, Formatting.Indented), Encoding.UTF8);
+    }
+    
+    public static Config Read()
+    {
+        if (!File.Exists(CONFIG_PATH))
+        {
+            var exePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!;
+            return new Config
+            {
+                VideosDirectory = Path.Combine(exePath, DEFAULT_VIDEO_DIR),
+                LabelsDirectory = Path.Combine(exePath, DEFAULT_LABELS_DIR),
+                ImagesDirectory = Path.Combine(exePath, DEFAULT_IMAGES_DIR),
+                WindowLocation = DefaultWindowLocation,
+                WindowSize = DefaultWindowSize,
+                ShowHelpOnStart = true
+            };
+        }
+        try
+        {
+            var str = File.ReadAllText(CONFIG_PATH);
+            return JsonConvert.DeserializeObject<Config>(str) ?? new Config();
+        }
+        catch (Exception)
+        {
+            return new Config();
+        }
+    }
+}