Limits the ressources available for the container

[RonanMorgan]

In order to avoid too much pressure on rpi memory (and eventually a crash) this PR is fixing hard limits on containers' resources.

These limits are calculated thanks to a batch script which is launched when using the "make run" command

The limits: keyword is available only in the V3 of docker-compose

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 87.60%. Comparing base (c18de6b) to head (147f99d).

Files	Patch %	Lines
pyroengine/core.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #203      +/-   ##
===========================================
- Coverage    87.84%   87.60%   -0.25%     
===========================================
  Files            6        6              
  Lines          362      363       +1     
===========================================
  Hits           318      318              
- Misses          44       45       +1     

Flag	Coverage Δ
unittests	87.60% <0.00%> (-0.25%)	⬇️

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