Upgrade Slate dependencies

• Upgrade Slate dependencies to v0.66 #30 #31 #32
• Refactor types to play well with new Slate custom types functionality #30
• Add playground package #28

0.1.8

• @prezly/slate-editor - Debounce loading state change in ImageWithLoadingPlaceholderV2 #27

v0.1.7

• Update @prezly/sdk dependency to v2.10.3 in packages/slate-editor
• Update @prezly/sdk dependency to v2.10.3 in packages/slate-types

v0.1.6

• Update @prezly/sdk dependency in packages/slate-editor

v0.1.5

• all packages - Use @prezly/sdk types #23

v0.1.4

• @prezly/slate-editor - Expose createDataTransfer 0d21baa

v0.1.3

• @prezly/slate-renderer - Update Media embed styling aaf38fb

v0.1.2

• Add @prezly/uploadcare-image package

v0.1.1

• @prezly/slate-types - Get rid of "slate" peer dependency #12

v0.1.0

Initial release 🎉

• @prezly/docx-cleaner
• @prezly/slate-commons
• @prezly/slate-editor
• @prezly/slate-hyperscript
• @prezly/slate-lists
• @prezly/slate-renderer
• @prezly/slate-types