summarize 2.x change

Author: scniro

CHANGELOG.md

@@ -1,5 +1,9 @@
+2.0.0
+==================
+* deprecate 1.x due to dependency conflicts occurring from over-strict versioning of codemirror as a `dependency`. Codemirror is now designated as a `peerDependency`
+
 1.0.0
 ==================
 * [`onValueSet`, `onValueChange`] deprecated, now => [`onSet`, `onChange`];
 * add `onBeforeChange` `onBeforeSet`
-* add `defineMode`
+* add `defineMode`