* Improvements in ASCollectionGalleryLayoutDelegate
- It now can handle section inset, as well as interitem and line spacings
- Other small changes
* Fix build failure and update file licenses
* Update CHANGELOG
* Minor change
* Another assertion on scrollable directions of gallery layout delegate
* Add ASCollectionGalleryLayoutSizeProviding
- This allows users to return different sizes based on certain conditions, such as the collection node's bounds or grid constants.
- ASPagerNode will also act as a size provider to ensure all pages have an up-to-date size that is its bounds.
* Update CHANGELOG
* ASPagerNode to use gallery layout delegate if told to
Huy Nguyen
Garrett Moon
Adlai Holler