add basic admin for task

services/backend/apps/competition/admin.py

@@ -1,6 +1,7 @@
 from django.contrib import admin
 
 from apps.competition.models import Competition
+from apps.task.admin import CompetitionTaskInline
 
 
 @admin.register(Competition)
@@ -8,3 +9,4 @@ class CompetitionAdmin(admin.ModelAdmin):
     list_display = ("title", "end_date", "type",)
     search_fields = ("title", "description",)
     list_filter = ("type", "participation_type",)
+    inlines = [CompetitionTaskInline]