Update CHANGELOG for 1.1.0.
Update CHANGELOG for 1.1.0.

IvyApp/ivy-codemirror,HeroicEric/ivy-codemirror,HeroicEric/ivy-codemirror,mshafir/ivy-codemirror,mshafir/ivy-codemirror,mshafir/ivy-codemirror,HeroicEric/ivy-codemirror,IvyApp/ivy-codemirror