Fix crash when store list is not provided

Previously, the SDK expected storeList to be set by integrators and would crash if only directDownloadList was provided.
This fix ensures the SDK only crashes when both storeList and directDownloadList are missing.

Author: HeyPouya

appupdater/src/main/java/com/pouyaheydari/appupdater/main/ui/AppUpdaterDialog.kt

@@ -61,8 +61,8 @@ class AppUpdaterDialog : DialogFragment() {
     ): View {
         // Getting data passed to the library
         val data = arguments?.parcelable(UPDATE_DIALOG_KEY) ?: UpdaterFragmentModel.EMPTY
-        if (data == UpdaterFragmentModel.EMPTY || data.storeList.isEmpty()) {
-            throw IllegalArgumentException("It seems you forgot to add any data to the updater dialog. Add the data as described in $UPDATE_DIALOG_README_URL")
+        if (data == UpdaterFragmentModel.EMPTY || (data.storeList.isEmpty() && data.directDownloadList.isEmpty())) {
+            throw IllegalArgumentException("Invalid data provided to the updater dialog. Either 'storeList' or 'directDownloadList' must be non-empty. For more details, refer to the documentation at $UPDATE_DIALOG_README_URL")
         }
         setDialogBackground(mapToSelectedTheme(data.theme, requireContext()))
         isCancelable = data.isForceUpdate