initial structure implemented

docs -> _docs

models/results/refined_frame_result.py

@@ -0,0 +1,11 @@
+from typing import Optional
+from pydantic import BaseModel
+from ..core.gps_point import GPSPoint
+
+
+class RefinedFrameResult(BaseModel):
+    frame_id: int
+    gps_center: GPSPoint
+    confidence: float
+    heading: Optional[float] = None
+