Merge branch 'dev/feature/dockerization' into 'develop'

.env

angular/RestClient/Dockerfile

angular/RestClient/default.conf

angular/RestClient/src/environments/environment.prod.ts

docker-compose.yml

docker-compose_test.yml

java/roomBooking/Dockerfile

java/services/authentication/Dockerfile

java/services/bookings/Dockerfile

java/services/hotels/.gitignore

java/services/hotels/Dockerfile

java/services/users/Dockerfile