add documentation

[timkpaine]

No description provided.

[github-actions]

Test Results

17 tests  ±0   16 ✅ ±0   7s ⏱️ ±0s
 1 suites ±0    1 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit d1c148e. ± Comparison against base commit 41c9219.

[codecov]

Codecov Report

Attention: Patch coverage is 35.29412% with 22 lines in your changes missing coverage. Please review.

Files	Patch %	Lines
airflow_priority/plugins/aws.py	0.00%	17 Missing ⚠️
airflow_priority/plugins/datadog.py	66.66%	0 Missing and 1 partial ⚠️
airflow_priority/plugins/discord.py	75.00%	0 Missing and 1 partial ⚠️
airflow_priority/plugins/newrelic.py	66.66%	0 Missing and 1 partial ⚠️
airflow_priority/plugins/slack.py	75.00%	0 Missing and 1 partial ⚠️
airflow_priority/plugins/symphony.py	66.66%	0 Missing and 1 partial ⚠️

Files	Coverage Δ
airflow_priority/tests/test_airflow_config.py	100.00% <ø> (ø)
airflow_priority/plugins/datadog.py	88.00% <66.66%> (-1.59%)	⬇️
airflow_priority/plugins/discord.py	91.83% <75.00%> (-1.79%)	⬇️
airflow_priority/plugins/newrelic.py	85.00% <66.66%> (-1.85%)	⬇️
airflow_priority/plugins/slack.py	82.05% <75.00%> (-1.74%)	⬇️
airflow_priority/plugins/symphony.py	54.71% <66.66%> (-0.19%)	⬇️
airflow_priority/plugins/aws.py	0.00% <0.00%> (ø)