handle missing input parameters
And emit an informative error message.
Also added more details to the README about the build-docs
tmeplate
How to register an account on GitLab. To prevent spam, new accounts are locked until approved by an admin or the approver bot. You can also file an unlock request to expedite access.
Support: mw:GitLab, how to host a project on GitLab, #wikimedia-gitlab on libera.chat, #GitLab on Phabricator.
And emit an informative error message.
Also added more details to the README about the build-docs
tmeplate