initial

web/models/membership.py

@@ -0,0 +1,9 @@
+from django.db import models
+
+from web.models.custom_user import CustomUser
+from web.models.project import Project
+
+
+class Membership(models.Model):
+    user = models.ForeignKey(CustomUser, on_delete=models.CASCADE)
+    project = models.ForeignKey(Project, on_delete=models.CASCADE)