feat(standard filtering, tweaks): REST Api and other

* Filtering on client request should now be performed with the standard `?attr=...` syntaxe
* Frontend updated for this new syntaxe
* Backend and frontend documentation updated with new changes
* Updated the location of the the api documentation to `/api-doc`
* Fixed bug preventing api-doc to render
* backend python requirements updated
* Updated dockerfile / docker-compose to make sure we wait for the db

Fixes #97 #80
Status Job ID Name Coverage
  Check
passed #490666
docker
check_back

00:00:19

passed #490667
docker
check_front

00:00:58

 
  Test
passed #490668
docker
test_back

00:00:44

90.0%
passed #490669
docker
test_frontend

00:00:51

 
  Lint
passed #490671
docker
eslint

00:00:51

passed #490670
docker
flake8

00:00:12

 
  Svg Gen Docu
passed #490672
docker
generate_UML_svg

00:00:13

 
  Documentation
passed #490673
docker
pages

00:00:12

 
  Deploy
passed pages:deploy

00:00:00