Run several apps with the cozy-app-dev docker image

[nono]

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[codecov-io]

Codecov Report

Merging #398 into master will decrease coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #398      +/-   ##
==========================================
- Coverage   73.08%   72.96%   -0.13%     
==========================================
  Files          89       89              
  Lines        7369     7369              
==========================================
- Hits         5386     5377       -9     
- Misses       1372     1381       +9     
  Partials      611      611

Impacted Files	Coverage Δ
pkg/realtime/memtopic.go	80.76% <0%> (-19.24%)	⬇️
pkg/realtime/memhub.go	86.95% <0%> (-8.7%)	⬇️

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