v0.4.0

What's Changed

• Add node SSH/bootstrap and config validation by @damacus in #47
• feat: rename cinc config configure to cinc config create by @tas50 in #48
• docs: add getting started section to docs/README.md by @tas50 in #49
• feat: add show subcommand to client, role, and environment by @tas50 in #50
• refactor: route supermarket commands through cinc-supermarket library by @tas50 in #51
• chore: pin cinc-api to released v0.1.0 by @tas50 in #52
• test: fill unit-test gaps in cookbook, supermarket, and config by @tas50 in #53

Full Changelog: v0.3.0...v0.4.0