Add Project URLs for PyPI page (#11801)
Add Project URLs for PyPI page (#11801)

These links would show up at https://pypi.org/project/apache-airflow/
mrkm4ntr/incubator-airflow,nathanielvarona/airflow,apache/airflow,airbnb/airflow,lyft/incubator-airflow,apache/incubator-airflow,bolkedebruin/airflow,airbnb/airflow,nathanielvarona/airflow,apache/airflow,sekikn/incubator-airflow,dhuang/incubator-airflow,cfei18/incubator-airflow,bolkedebruin/airflow,DinoCow/airflow,danielvdende/incubator-airflow,lyft/incubator-airflow,dhuang/incubator-airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,apache/incubator-airflow,mistercrunch/airflow,danielvdende/incubator-airflow,lyft/incubator-airflow,mrkm4ntr/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,sekikn/incubator-airflow,cfei18/incubator-airflow,airbnb/airflow,sekikn/incubator-airflow,DinoCow/airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,DinoCow/airflow,Acehaidrey/incubator-airflow,airbnb/airflow,mrkm4ntr/incubator-airflow,bolkedebruin/airflow,cfei18/incubator-airflow,lyft/incubator-airflow,Acehaidrey/incubator-airflow,dhuang/incubator-airflow,apache/airflow,Acehaidrey/incubator-airflow,apache/airflow,Acehaidrey/incubator-airflow,apache/incubator-airflow,danielvdende/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,DinoCow/airflow,cfei18/incubator-airflow,nathanielvarona/airflow,bolkedebruin/airflow,dhuang/incubator-airflow,sekikn/incubator-airflow,cfei18/incubator-airflow,mistercrunch/airflow,apache/incubator-airflow,mistercrunch/airflow,nathanielvarona/airflow,mrkm4ntr/incubator-airflow,mistercrunch/airflow,bolkedebruin/airflow