add populate command

backend/announcements/management/commands/populate_audiences.py

@@ -0,0 +1,18 @@
+import json
+import random
+
+from django.contrib.auth.models import Group
+from django.core.management import BaseCommand, call_command
+
+from announcements.models import Audience
+
+
+with open("accounts/data/users.json") as f:
+    users = json.load(f)["users"]
+
+
+class Command(BaseCommand):
+
+    def handle(self, *args, **options):
+        for x in ["MOBILE", "OHQ", "CLUBS", "COURSE_PLAN", "COURSE_REVIEW", "COURSE_ALERT"]:
+            Audience.objects.get_or_create(name=x)