moved definitions of data classes into module where used

shared/mongodb/classes/framing.py

@@ -0,0 +1,14 @@
+"""Definition of FramingData data model."""
+
+from __future__ import annotations
+
+from .data_model import DataModel
+
+
+class FramingData(DataModel):
+    """FramingData data model."""
+
+    frame_lines: float
+    empty_space: float
+    colour_contrast: float
+    form_contrast: float