Merge pull request #6 from luhring/maintainers

Add initial MAINTAINERS.md

Author: luhring

MAINTAINERS.md

@@ -0,0 +1,8 @@
+# Maintainers
+
+This file lists all current maintainers of the `spec` repository.
+
+- Dan Luhring (@luhring), Chainguard
+- Adolfo García Veytia (@puerco), Chainguard
+
+New maintainers can be added via the process outlined in the OpenVEX community's [governance](https://github.com/openvex/community/blob/main/GOVERNANCE.md) document.