Update README, add webpack as prod dep

3 jobs for rp2 in 4 minutes and 12 seconds (queued for 5 seconds)
Name Stage Failure
deploy preprod Deploy
Downloading artifacts
Downloading artifacts for static build (5463)...
Runtime platform
arch=amd64 os=linux pid=8700 revision=58ba2b95 version=14.2.0
Downloading artifacts from coordinator... ok
id=5463 responseStatus=200 OK token=vyaP3Pce
Executing "step_script" stage of the job script
$ rsync --exclude 'env' --exclude 'pip-cache' --exclude '.git' -r --chown rp:www-data --chmod g+srw ./ ${BASE_PATH}
rsync: [Receiver] mkdir "/srv/rp/rp-rp2" failed: No such file or directory (2)
rsync error: error in file IO (code 11) at main.c(784) [Receiver=3.2.3]
Cleaning up file based variables
ERROR: Job failed: exit status 1