v0.3.0

Changelog

66bf73f chore: add Dockerfile (#4)
ce1825d chore: add github actions to build go binary
cc4a731 chore: add license (#7)
9199b34 chore: enable dockerfile to produce arm64 image (#10)
6b8e51b doc: add section for installation
2437246 feat: add deviceId to all metrics, add kasa_metadata
dd56d46 feat: support powerstrips like HS300