registration implemented

Main/models/settask.py

@@ -0,0 +1,10 @@
+from django.db import models
+
+from Main.models.task import Task
+from Main.models.set import Set
+
+
+class SetTask(models.Model):
+    set = models.ForeignKey(Set, on_delete=models.CASCADE)
+    task = models.ForeignKey(Task, on_delete=models.CASCADE, related_name="settasks")
+    name = models.CharField(max_length=2)