more refactoring

ModpackUpdater.Apps/AppSymbols.cs

@@ -0,0 +1,20 @@
+namespace ModpackUpdater.Apps;
+
+public enum AppSymbols
+{
+    checkmark,
+    close,
+    delete,
+    done,
+    download_from_ftp,
+    general_warning_sign,
+    opened_folder,
+    paste,
+    refresh,
+    reload,
+    save,
+    services,
+    software_installer,
+    update_done,
+    wrench,
+}