Fix issue #2

• Fix issue #2, a variable is not defined

Fix Airflow sercurity manager

• Fix airflow security manager OAuth field mapping
  • Code duplication will be refactored

Support astronomer airflow

• Support astronomer airflow

Support OAuth/OIDC

• Support OAuth
  • AzureAD tested in superset
• Support OIDC
  • Keycloak tested in superset