Created the Avalonia MVVM template, split the CLI into Avalonia.UI and Avalonia.Core

AutumnLauncher.Core/ControlActions.cs

@@ -0,0 +1,55 @@
+using System.Diagnostics;
+
+namespace AutumnLauncher;
+
+public static class ControlActions
+{
+    public static void Run(int num)
+    {
+        try
+        {
+            var game = SqliteData.GetGameById(num);
+
+            Process.Start(game.GamePath ?? throw new InvalidOperationException());
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Error running game: {ex.Message}");
+        }
+    }
+
+    public static void List()
+    {
+        var games = SqliteData.GetAllGames();
+
+        foreach (var game in games)
+        {
+            Console.WriteLine(game + "\n");
+        }
+    }
+
+    public static void Add(string? gameName, string? developer, string? date, string? genre, string? type, string? path)
+    {
+        SqliteData.AddGame(gameName, developer, date, genre, type, path);
+    }
+
+    public static void Remove(int num)
+    {
+        SqliteData.RemoveGame(num);
+    }
+
+    public static void Edit(int num, string? gameName = null, string? developer = null, string? date = null, 
+        string? genre = null, string? type = null, string? path = null)
+    {
+        var game = SqliteData.GetGameById(num);
+        
+        if (!string.IsNullOrWhiteSpace(gameName)) game.GameName = gameName;
+        if (!string.IsNullOrWhiteSpace(developer)) game.GameDeveloper = developer;
+        if (!string.IsNullOrWhiteSpace(date)) game.GameReleaseDate = date;
+        if (!string.IsNullOrWhiteSpace(genre)) game.GameGenre = genre;
+        if (!string.IsNullOrWhiteSpace(type)) game.GameType = type;
+        if (!string.IsNullOrWhiteSpace(path)) game.GamePath = path;
+        SqliteData.EditGame(game.GameId, game.GameName, game.GameDeveloper, game.GameReleaseDate, game.GameGenre, 
+            game.GameType, game.GamePath);
+    }
+}