Add help task

[aledbf]

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Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

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[k8s-ci-robot]

@aledbf: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-ingress-nginx-test-lua	6a6ce70	link	/test pull-ingress-nginx-test-lua

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[codecov-io]

Codecov Report

Merging #4891 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #4891      +/-   ##
=========================================
+ Coverage   58.49%   58.5%   +0.01%     
=========================================
  Files          88      88              
  Lines        6719    6719              
=========================================
+ Hits         3930    3931       +1     
+ Misses       2361    2359       -2     
- Partials      428     429       +1

Impacted Files	Coverage Δ
internal/ingress/annotations/authreq/main.go	75.38% <ø> (ø)	⬆️
internal/watch/file_watcher.go	84.61% <0%> (+3.84%)	⬆️

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