moved everything to a new module called backend

backend/models/example_model.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+from backend import db
+import uuid
+
+
+class ExampleDataItem(db.Model):
+    """
+    just an example class...
+    """
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    mac = db.Column(db.String(32), nullable=False, unique=True, index=True)
+    uuid = db.Column(db.String(36), nullable=False, unique=True, index=True, default=str(uuid.uuid4()))
+    some_string_value = db.Column(db.String, nullable=True, index=True)
+    name = db.Column(db.String(128), default="<not set>", nullable=False, index=True, unique=False)
+    description = db.Column(db.String(4096), nullable=True, unique=False)