add header to get projection

src/thd_json/projection/__init__.py

@@ -56,11 +56,10 @@ def get_projection_dict(
         header,
     )
 
-    projection["detector"] = get_detector_dict(image_dimensions_px, pixel_pitch_mm)
-    projection["image"] = {"image_path", str(image_path)}
+    projection['detector'] = get_detector_dict(image_dimensions_px, pixel_pitch_mm)
+    projection['image'] = {'image_path', str(image_path)}
 
     return projection
 
-
 if __name__ == "__main__":
     projection_cli()