Fix logs disconnect for logs over 4 hours

Fix issue #91

Add options to the operator (image pull secrets, and files from secrets)

Merge pull request #90 from barloc/feature/image-pull-secrets

FEATURE: add image pull secrets

Fix in cluster bearer token

Merge pull request #83 from LamaAni/fix_change_new_airflow_token_mapping

Fixed bearer token markup for old/new airflow

Job runner cleanup and enhancement

1. Added support for ImagePullBackoff for pods
2. Cleaned up runner execution code, and added checks for execution validation

Error fixes

Fixes:

1. Added support for throwing general connection errors

Removed support for legacy operator for < 2.0.0 and removed package requirements

Removed:

1. Support for legacy operator for lower then airflow 2.0.0
   Added:
2. Support for not loading airflow kubernetes pod operator

Add support for secrets

1. Added support for secrets data type

Checked on 2.3.3

Merge pull request #64 from LamaAni/upgrade_airflow

Upgrade airflow to 2.3.3

Added support for pod postfix and fix config prefix logic

FIxes:

1. Config prefix logic. Allow empty pod prefix when using operator.

Added.

1. Support for pod postfix.

Added support for config map when deploying jobs

Added:

1. ConfigMap (v1/ConfigMap) resource type when deploying jobs.