UI update & more options

UI Update

• Added tabs for each export type. You can export all at once or just the ones you need.
• Click the checkbox next to Export to include or exclude that export type.
• You can now also customize settings for each export type: split by layers, tags, scale it, choose directory and format the file name.

Here's an example showing some of these updates

Thank you all for checking out this Aseprite Extension! Happy creating!