added inline formatting for Event models

widget_aguandhischipmunks/calendar_app/admin.py

 from django.contrib import admin
 from .models import Event, Location
 
+class EventInline(admin.TabularInline):
+    model = Event
+
 class LocationAdmin(admin.ModelAdmin):
     model = Location
     list_display = ("mode", "venue",)
     search_fields = ("mode", "venue",)
     list_filter = ("venue",)
 
-
 class EventAdmin(admin.ModelAdmin):
     model = Event
     list_display = ("target_datetime", "activity", "estimated_hours", "course", "location",)