News app

* adds news app for future implementations

news/models.py

@@ -0,0 +1,16 @@
+from django.db import models
+
+from konova.enums import ServerMessageImportance
+from konova.models import BaseResource
+
+
+class ServerMessage(BaseResource):
+    """
+    Holds messages, which can be displayed on the user's dashboard
+    """
+    subject = models.CharField(max_length=500, null=False, blank=False)
+    body = models.TextField()
+    is_active = models.BooleanField(default=True)
+    publish_on = models.DateTimeField()
+    unpublish_on = models.DateTimeField()
+    importance = models.CharField(max_length=100, choices=ServerMessageImportance.as_choices(drop_empty_choice=True))