feat(PrometheusAlertReaction): Add doctype for recording reaction for alert

[balamurali27]

• Add tab in Alert Rule for defining rule

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 82.35294% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 43.08%. Comparing base (cb9726e) to head (5cc201f). Report is 146 commits behind head on master.

:exclamation: Current head 5cc201f differs from pull request most recent head fd07e85. Consider uploading reports for the commit fd07e85 to get more accurate results

Files	Patch %	Lines
...etheus_alert_reaction/prometheus_alert_reaction.py	73.33%	4 Missing :warning:
...ertmanager_webhook_log/alertmanager_webhook_log.py	89.47%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1566      +/-   ##
==========================================
+ Coverage   39.79%   43.08%   +3.28%     
==========================================
  Files         317      317              
  Lines       25537    22062    -3475     
==========================================
- Hits        10163     9505     -658     
+ Misses      15374    12557    -2817     

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[ankush]

@balamurali27 don't see any safeguard for how many times this should be allowed to run.

IMO it should not be more than 1.5-2x the actual size on dedicated servers. On our servers we can keep the threshold slightly higher before manual intervention is required.