MAINTAINERS.md: New file

Let's match the CNCF standards here.

Signed-off-by: Colin Walters <[email protected]>

MAINTAINERS.md

@@ -0,0 +1,13 @@
+# Maintainers
+
+The current Maintainers Group for the bootc Project consists of:
+
+| Name              | GitHub ID                                                            | Employer        | Responsibilities |
+| ----              | ----                                                                 | ----            | ----             |
+| Chris Kyrouac     | [ckyrouac](https://github.com/orgs/containers/people/ckyrouac)       | Red Hat         | Approver         |
+| Colin Walters     | [cgwalters](https://github.com/orgs/containers/people/cgwalters)     | Red Hat         | Approver         |
+| John Eckersberg   | [jeckersb](https://github.com/orgs/containers/people/jeckersb)       | Red Hat         | Approver         |
+
+This list must be kept in sync with the [CNCF Project Maintainers list](https://github.com/cncf/foundation/blob/master/project-maintainers.csv).
+
+See [the project Governance](GOVERNANCE.md) for how maintainers are selected and replaced.