Merge branch 'testing' into dev

README.md

developer_notebooks/contributor_metadata.ipynb

developer_notebooks/produce_data_withOptional_country.ipynb

examples/03_produce_data_station_metadata.ipynb

src/toargridding/contributors.py

src/toargridding/gridding.py

src/toargridding/grids.py

src/toargridding/metadata.py

src/toargridding/static_metadata.py

src/toargridding/toar_rest_client.py

src/toargridding/toargridding/metadata_utilities.py

tests/contryCode.py

tests/conversionOfTimestamps.py

tests/coordinates.py

tests/test_EmptyDataError.py

tests/test_toar_rest_client.py