Add CHANGELOG entry for scrollIntoView (#64)

Author: i-am-the-slime

CHANGELOG.md

@@ -15,6 +15,7 @@ Breaking changes:
 New features:
 - `AttrName`, `ClassName`, and `PropName` types have been added, migrated from [web-html](https://github.com/purescript-web/purescript-web-html). (#58 by @nsaunders)
 - A new `ElementId` type, representing the value of an `id` property/attribute, has been added. (#58 by @nsaunders)
+- `scrollIntoView` and `scrollIntoViewWithOptions` (with typed `ScrollBehavior` and `ScrollLogicalPosition`) have been added. (#64 by @i-am-the-slime)
 
 Bugfixes: