v0.3.0

Faster license matching, and now comes with software bills of material (SBOM) in the wheel.

What's changed

• Optimizing querying speed by @bact in #19
• Update normalization according to SPDX matching guidelines by @bact in #21
• Generate SBOM and put in wheel by @bact in #22

Full Changelog: v0.2.3...v0.3.0