v3.0.0

• refactor: rewrite core 2e90192
• chore(babel): use babel.config.js e0b6645
• chore(config): update project config 1913d0b
• fix: fix build script 70ddf0f
• Merge branch 'master' of github.com:fisker/serve-directory 1c2934d
• ci: fix travis ee39193
• chore(deps-dev): bump supertest from 4.0.0 to 4.0.2 4359040
• chore(deps-dev): bump eslint from 5.15.1 to 5.15.2 bf7aa9c
• chore: remove lib from repo dc6989b

cd1e309...v3.0.0