v0.4.0

What's Changed

• Build the shim from the installed package so the wheel can enrol hosts (0.1.3) by @Ghost-141 in #6
• Say in the changelog that 0.1.3 and 0.2.0 shipped inside 0.3.0 by @Ghost-141 in #9
• Trust boundary diagram by @Ghost-141 in #10
• Readme split by @Ghost-141 in #11
• Hosts command by @Ghost-141 in #12
• Unenroll by @Ghost-141 in #13
• Release 0.4.0 by @Ghost-141 in #14

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