#101 Team settings

* adds first implementation for team managing

user/models/team.py

@@ -0,0 +1,16 @@
+from django.db import models
+
+from konova.models import UuidModel
+
+
+class Team(UuidModel):
+    """ Groups users in self managed teams. Can be used for multi-sharing of data
+
+    """
+    name = models.CharField(max_length=500, null=True, blank=True)
+    description = models.TextField(null=True, blank=True)
+    users = models.ManyToManyField("user.User", blank=True, related_name="teams")
+    admin = models.ForeignKey("user.User", blank=True, null=True, related_name="+", on_delete=models.SET_NULL)
+
+    def __str__(self):
+        return self.name