Initial release of Cluster-API provider agent

This release support adding nodes to an existing OpenShift control plane.
This is an alpha release

What's Changed

• Reference openshift github org by @avishayt in #1
• Owners by @eranco74 in #2
• Added vendor directory by @eranco74 in #3
• Updated the base image to registry.ci.openshift.org/ocp/4.10:base by @eranco74 in #4
• Align dockerfile with other openshift cluster-api-providers forks by @eranco74 in #5
• Fix comments according to guidelines by @avishayt in #7

New Contributors

• @avishayt made their first contribution in #1
• @eranco74 made their first contribution in #2

Full Changelog: https://github.com/openshift/cluster-api-provider-agent/commits/v0.1.0