Convert shp file to geojson then upload to Bigquery

Three steps:

1. Convert shape file to geojson
2. Get schema and convert data type to geometry:GEOGRAPHY
3. Upload data to Bigquery using json and schema

The code for 3 steps as below:

bq load --source_format NEWLINE_DELIMITED_JSON \
 [destination_database.destination_table] \
 [schema(output of python)]