move code into newly created ./src/ dir

src/apps/dashboard/models.py

@@ -0,0 +1,9 @@
+from django.db import models
+
+class List(models.Model):
+    pass
+
+class Item(models.Model):
+    text = models.TextField(default='')
+    list = models.ForeignKey(List, default=None, on_delete=models.CASCADE)
+