Bump version to 0.3.0

Bumping version to 0.2.0 for release

Increase L0 SST size to 64MiB (#161)

Fixes: #157

Only run push CI trigger on main branch

Noticed that we were double-running GH actions on PRs. Attempting to fix that.

Fix linting errors (#122)

Bump version to 0.1.1

Update homepage in Cargo.toml