v0.3.0

Release 0.3.0

Also:
- Consolidate the version number at a single location (in the
  workspace Cargo.toml)
- Read this Cargo.toml in the Android app build
- Remove the useless npm package version
- Add a CI step to check that the git tag corresponds to the committed
  version number

v0.2.2

Release 0.2.2

v0.2.1

Release 0.2.1

v0.2.0

Release v0.2.0

v0.1.0

v0.1.0