feat: DatabaseChecker re-init database button

ui/startup/databaseChecker.py

@@ -138,6 +138,11 @@ class DatabaseChecker(Ui_DatabaseChecker, QDialog):
                 db.init()
         self.updateLabels()
 
+    @Slot()
+    def on_dbReInitButton_clicked(self):
+        Database().init(checkfirst=True)
+        QMessageBox.information(self, None, "OK")
+
     @Slot()
     def on_continueButton_clicked(self):
         self.accept()