backend part for the engi-proj app

Running instruction:

Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
.github		.github
api		api
helm/api-platform		helm/api-platform
pwa		pwa
src		src
vendor		vendor
.DS_Store		.DS_Store
.editorconfig		.editorconfig
.gitattributes		.gitattributes
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
composer.json		composer.json
composer.lock		composer.lock
docker-compose.override.yml		docker-compose.override.yml
docker-compose.prod.yml		docker-compose.prod.yml
docker-compose.yml		docker-compose.yml
graphcool.yml		graphcool.yml
package.json		package.json
types.graphql		types.graphql