Allow filtering of refilling options

* Move settings.SITH_COUNTER_PAYMENT_METHOD to counter.apps.PAYMENT_METHOD
* Move student cards to an accordion on counter click
* Make cash default refilling option
* Disable bank selection option in refilling if CHECK are not allowed
* Disable refilling with CHECK from the frontend

counter/apps.py

@@ -24,6 +24,12 @@
 from django.apps import AppConfig
 from django.utils.translation import gettext_lazy as _
 
+PAYMENT_METHOD = [
+    ("CHECK", _("Check")),
+    ("CASH", _("Cash")),
+    ("CARD", _("Credit card")),
+]
+
 
 class CounterConfig(AppConfig):
     name = "counter"