v0.4.0

What's Changed

• name 0.3.0 as the current release by @Adeniyikayodee in #40
• add the open source governance files by @Adeniyikayodee in #41
• split replicate variance into its two components by @Adeniyikayodee in #42
• document how an agent drives the pipeline by @Adeniyikayodee in #43
• ignore the roadmap alongside its sources by @Adeniyikayodee in #44
• remove the agent section from the readme by @Adeniyikayodee in #45
• pull the base image the backend tests run by @Adeniyikayodee in #46
• name the estimand the clustered interval reports by @Adeniyikayodee in #47
• generate json schemas from the contracts by @Adeniyikayodee in #48
• add --json to the commands that check something by @Adeniyikayodee in #49
• release 0.4.0 by @Adeniyikayodee in #50

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