v0.4.0

The macOS executables are ad hoc signed. They are not notarized. Verify checksums before installation.

What's Changed

• ci(release): publish packages to Hex by @ThaddeusJiang in #11
• docs(release): record Hex 0.3 verification by @ThaddeusJiang in #12
• feat: reclaim memory from idle apps by @ThaddeusJiang in #13
• feat: shut down idle simulators by @ThaddeusJiang in #14

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