Add estimate_size.py
Add estimate_size.py

geometalab/osmaxx-frontend,geometalab/osm-pbf-file-size-estimation-service,geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osm-pbf-file-size-estimation-service,geometalab/drf-utm-zone-info,geometalab/osmaxx,geometalab/drf-utm-zone-info,geometalab/osmaxx-frontend,geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osmaxx