[chore:] implemented RefreshResultView()

MainWindow.axaml.cs

@@ -126,7 +126,23 @@ public partial class MainWindow : Window
 
     private void RefreshResultView()
     {
-        return;
+        LbResult.Items.Clear();
+        foreach (Student s in Settings.Instance.Students)
+        {
+            try
+            {
+                for(int i = 0; i<s.Result.Count;i++)
+                {
+                    LbResult.Items.Add($"{s.Name} ({s.ID}) - {i+1}. Semester: {s.Result[i]}");
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.StackTrace);
+            }
+        }
+
+        TbResultStatistics.Text = CourseCrafter.GenerateStatistics();
     }
 
     private void LbStudentsImported_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)