Nydus-snapshotter v0.2.0 release

What's Changed

• pkg/nydussdk: add more context on returning errors by @eryugey in #27
• mod: update containerd, docker and distribution dependency by @bergwolf in #28
• action: add simple e2e ci by @bergwolf in #29
• deps: update docker/distribution and opencontainers/image-spec by @bergwolf in #33
• daemon: use one nydus client per Daemon by @eryugey in #32
• Add converter package for tar build by @imeoer in #34
• action: optimize release by @bergwolf in #38

New Contributors

• @eryugey made their first contribution in #27
• @imeoer made their first contribution in #34

Full Changelog: v0.0.1...v0.2.0