📝 Maintenance/GitHub issue templates

[pcrespov]

What do these changes do?

In order to follow issues with the e2e, this PR updates issue-templates by:

• added e2e_report.md
  • checkbox-based fast issue report
  • helper script to auto-generate combination matrix including deploys and test/e2e/tutorials scripts
• updated top-level syntax to show templates in GitHub web after "New Issue" page

NOTE: This PR does not affect the code-base but only the GitHub web config (under .github) [CI skip]

Related issue/s

[codecov]

Codecov Report

Merging #2673 (be504b7) into master (f800eba) will increase coverage by 0.0%.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #2673   +/-   ##
======================================
  Coverage    78.0%   78.0%           
======================================
  Files         636     636           
  Lines       26064   26064           
  Branches     2524    2524           
======================================
+ Hits        20339   20348    +9     
+ Misses       5055    5046    -9     
  Partials      670     670           

Flag	Coverage Δ
integrationtests	66.7% <ø> (+<0.1%)	⬆️
unittests	73.6% <ø> (-0.1%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
..._director_v2/modules/dynamic_sidecar/docker_api.py	86.6% <0.0%> (-0.6%)	⬇️
...ector_v2/modules/dynamic_sidecar/scheduler/task.py	85.9% <0.0%> (-0.6%)	⬇️
...tor_v2/modules/dynamic_sidecar/scheduler/events.py	93.6% <0.0%> (+0.7%)	⬆️
..._director_v2/modules/dynamic_sidecar/client_api.py	68.7% <0.0%> (+1.2%)	⬆️
...rc/simcore_service_director_v2/modules/rabbitmq.py	89.4% <0.0%> (+1.7%)	⬆️
...rector_v2/modules/comp_scheduler/base_scheduler.py	91.0% <0.0%> (+2.0%)	⬆️
...ector_v2/modules/comp_scheduler/background_task.py	86.2% <0.0%> (+7.8%)	⬆️

[KZzizzle]

👍

[mrnicegyu11]

Good idea, looks fine!

[GitHK]

👍