Release 1.1.1

• Remove core-js dependency (33330d2)
• Upgrade @ehmicky/dev-tasks 0.30.47 -> 0.30.48 (e362cce)
• Upgrade core-js 3.2.1 -> 3.3.2 (412bd3b)
• Upgrade husky 3.0.8 -> 3.0.9 (fffae9a)
• Fix typo in README (f59a9d7)
• Update README (5223b26)
• Upgrade @ehmicky/dev-tasks 0.30.46 -> 0.30.47 (f153490)