setup(cleaned & debugging)

* **Added documentation regarding how to debug the backend and the frontend**
* Updated webpack config to ease debugging (no more mimify) and a bit better production config
* Added .env files to configure env variables in the project
* Updated backend image to support .env files
* Updated backend to use .env files
* Updated CI settings accordingly
* Added documentation about IDE setup
* Removed `.vscode` folder from repo

Fixes #106 #105 Linked to #66 for .env files
9 jobs for master in 2 minutes and 37 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Check
passed #505086
docker
check_back

00:00:26

passed #505087
docker
check_front

00:01:00

 
  Test
passed #505088
docker
test_back

00:00:55

passed #505089
docker
test_frontend

00:00:20

 
  Lint
passed #505091
docker
eslint

00:00:28

passed #505090
docker
flake8

00:00:11

 
  Svg Gen Docu
failed #505094
docker
generate_UML_svg

00:00:10

failed #505092
docker
generate_UML_svg

00:00:17

 
  Documentation
skipped #505093
docker
pages
 
Name Stage Failure
failed
generate_UML_svg Svg Gen Docu
Skipping Git submodules setup
Downloading artifacts for check_back (505086)...
Downloading artifacts from coordinator... ok id=505086 responseStatus=200 OK token=sULT3vTZ
$ cd documentation && make convert_to_svg
mkdir -p generated
dot -Tsvg generated/architecture.dot -o generated/architecture.svg
Error: generated/architecture.dot: syntax error in line 1 near 'Moderation'
make: *** [Makefile:30: convert_to_svg] Error 1
ERROR: Job failed: exit code 1