Update file README.md
- Remove most boilerplate from GitLab's repo creation wizard
- Add an SPDX license identifier linked to the backing license. In this case that license is The Unlicense
Bug: T357182
Bug: T357183
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.
Bug: T357182
Bug: T357183