Add project: Metabase

[MattTheCuber]

Basic info

Closes #98

Project name: Metabase
Project link: https://github.com/metabase/metabase

Qualifications

ZeroVer's patent-pending zero-based versioning
scheme can obviously be used by everyone, but not every usage is
necessarily notable. Check that the first and at least one other
criterion apply:

• A current ZeroVer-compliant version (0.*) or long history of ZeroVer usage, and
• Very wide exposure (i.e., 1,000+ GitHub stars), or
• Active promotion as part of a paid product or service (e.g., Hashicorp Vault), or
• Relative maturity and infrastructural importance (e.g., Compiz, docutils)

Additional notability info

Citation info

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[mahmoud]

I never met-a-base that wasn't better with 0ver.

(this is a lot of PRs so j0ke quality is going to suffer)

[mahmoud]

This is great, btw, thank y0u!!