v0.4.0

What's Changed

• docs: promote switchhosts import in the readme and give faq entries headings by @heronapp in #25
• docs: move the Heron mention into an About section by @heronapp in #26
• feat: reach archived switchhosts v4 data and ship the migration guide by @heronapp in #27
• feat: keep the switchhosts block out of base hosts at first capture by @heronapp in #28
• fix: align the drift review baseline and strip a previous install's fence at capture by @heronapp in #29
• build: bump version to 0.4.0 by @heronapp in #30

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