v1.0.0-rc3

• chore: cleanup root directory 314489c
• Merge pull request #21 from berlysia/doctest 4907462
• test: setup doctest d481bb1
• Merge pull request #20 from berlysia/renovate/yargs-14.x b3732db
• chore(deps): update dependency yargs to v14 d37d7ad
• chore(deps): update dependency @types/eslint to v6 596be14
• chore(deps): update all non-major dependencies dccc4d2
• chore(deps): pin dependencies 812b2b8
• docs: maintainance c25036d

v1.0.0-rc2...v1.0.0-rc3