Symplify autowiring and remove backticks

[parijke]

• adhere to the most recent best practices
• remove ORM dependency (using DBAL)
• simplify autowiring and service definitions
• remove backticks from select statements
• using 6.1 bundle definition
• moved services and routes from src/Resources/config to ./config

fixes #15

Advantages: really simple services.yml. If you want to override the autowiring defaults, you could define an entry in the services.yaml.

How it works:
All services which implements HealthCheckInterface are tagged with openconext.monitor.health_check, that is why is is not needed in the Extension anymore. The TaggableIterator is initialized with al services tagged like this. That is why the CompilerPass becomes obsolete.

Just as flexible as before, just much simpeler. Thanks Symfony!
Also see: https://symfony.com/doc/current/bundles/extension.html

[codecov]

Codecov Report

Attention: Patch coverage is 21.42857% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 45.08%. Comparing base (62f51d5) to head (642f803).
Report is 9 commits behind head on main.

❗ Current head 642f803 differs from pull request most recent head e83bde5

Please upload reports for the commit e83bde5 to get more accurate results.

Files	Patch %	Lines
src/HealthCheck/DoctrineConnectionHealthCheck.php	0.00%	6 Missing ⚠️
src/Controller/InfoController.php	0.00%	2 Missing ⚠️
src/OpenConextMonitorBundle.php	0.00%	2 Missing ⚠️
src/Controller/HealthController.php	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #19      +/-   ##
============================================
+ Coverage     41.17%   45.08%   +3.91%     
- Complexity       52       65      +13     
============================================
  Files            12       13       +1     
  Lines           153      173      +20     
============================================
+ Hits             63       78      +15     
- Misses           90       95       +5     

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[MKodde]

A very nice effort to actually lever some useful newer Symfony constructions into the project. And a good call to stop using Doctrine ORM but opt for DBAL instead 🎩

I have some minor concerns listed below. Please have at them!

[MKodde]

@tacman does this solve your issues as proposed in #15? The other suggestion to allow for setting a custom query is still in our pipeline. We recently ran into an issue where checking existence of a certain table was very useful.

[MKodde]

One todo remains. I think adding the service tag is important to help existing users to upgrade with NOOP.

[parijke]

Reverted back to using tags