Added Azure DevOps pipeline

[Sukriva]

This pipeline extends the base pipeline and defines CI and PR triggers in GitHub

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov]

Codecov Report

Merging #151 (022d6e4) into develop (8a8368c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #151   +/-   ##
========================================
  Coverage    84.29%   84.29%           
========================================
  Files          147      147           
  Lines         5080     5080           
========================================
  Hits          4282     4282           
  Misses         798      798           

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[vikoivun]

Is there something to prevent the whole pipeline (up to prod!) from running automatically with this? I think the Azure side would need be to changed first, to prevent this from happening. I understand you've been talking about splitting the pipelines for the different environments.
Also, given that this is a public repository, potentially used by other cities in the future: would it be possible to have this file named something like Helsinki-pipelines.yml