[readme] Update local dev instructions

1 job for new-ci in 10 minutes and 29 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #153412
docker-build
build_linux_27

00:10:29

 
Name Stage Failure
failed
build_linux_27 Build
(08:30:07.419) export CURL_CA_BUNDLE=/local/builds/0d638152/0/beat/beat.web/_ci/cacert.pem
(08:30:07.422)
export SSL_CERT_FILE=/local/builds/0d638152/0/beat/beat.web/_ci/cacert.pem
(08:30:07.424)
export GIT_SSL_CAINFO=/local/builds/0d638152/0/beat/beat.web/_ci/cacert.pem
(08:30:07.427)
export DOC_SERVER_PREFIX=public-upload/docs/beat/beat.web
(08:30:07.429)
DOC_UPLOADS=public-upload/docs/beat/beat.web/new-ci/
(08:30:07.432)
export LANG=en_US.UTF-8
(08:30:07.434)
export LC_ALL=en_US.UTF-8
(08:30:07.437)
export MATPLOTLIBRC=/local/builds/0d638152/0/beat/beat.web/_ci
ERROR: Job failed: exit status 1