v1.0.0

Changelog

27fcb1a chore(ci): set up renovate
b8de476 chore(ci): set up ci actions
8d52dba docs: add readme
ee74c0b chore: add go.mod and go.sum
7e10b40 docs: update copyright NOTICE
cba9206 docs: clean up license information
46fa1fc refactor!: relocate backoff sources
389b729 refactor!: remove everything except backoff