PRSAvalonia.Desktop now gets Version Info from Parent PRSDesktop App

InABox.Avalonia.Platform.Desktop/AppVersion.Desktop.cs

@@ -0,0 +1,42 @@
+using System.Globalization;
+using InABox.Core;
+using Newtonsoft.Json;
+
+namespace InABox.Avalonia.Platform.Desktop
+{
+    
+    public class Desktop_AppVersion : IAppVersion
+    {
+        public Logger? Logger { get; set; }
+        
+        public string InstalledVersionNumber()
+        {
+            var comps = AppDomain.CurrentDomain.BaseDirectory.Split('\\').Reverse().ToArray();
+            while (comps.Any())
+            {
+                var verfile = Path.Combine(string.Join('\\', comps.Reverse()), "version.txt");
+                if (File.Exists(verfile))
+                    return File.ReadAllText(verfile);
+                comps = comps.Skip(1).ToArray();
+            }
+
+            return "???";
+        }
+
+        public Task<bool> IsUsingLatestVersion()
+        {
+            return Task.FromResult(true);
+        }
+
+        public Task<AppInfo> GetLatestVersion(bool force)
+        {
+            var appInfo = new AppInfo();
+            return Task.FromResult(appInfo);
+        }
+
+        public Task OpenAppInStore()
+        {
+            return Task.CompletedTask;
+        }
+    }
+}