Updated:
● Last used deck is now saved even if browser is restarted.
● Reworked fetching of audio.
● Adjusted popup design.

Bug fix:
● The check for if word is in example sentence should now properly prevent sentences without the word from being added.

● Changed how words are looked up. Instead of holding down a button, the extension will automatically look up the word when highlighted by the user.

● Added a different shortcut key for Linux users.

Removed temp icon.
Added new icon.