Update schema.md using CI

2 jobs for next in 47 seconds (queued for 1 second)
Name Stage Failure
build_schema_doc Build
npm ERR! cb() never called!

npm ERR! This is an error with npm itself. Please report this error at:
npm ERR! <https://npm.community>

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2019-06-05T15_46_29_007Z-debug.log
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (fr_FR.utf8)
ERROR: Job failed: exit code 1