Updated attributes and other improvements

5.1.0 Updated attributes and other improvements

⚠️ Breaking change in case you are using the attributes in e.g. other sensors or automations:

Old attribute	New attribute
Item ID	item_id
Item URL	item_url
TGTG Price	item_price
Original value	original_value
Pickup start	pickup_start
Pickup stop	pickup_end
Soldout date	soldout_timestamp

What's Changed

• Add Dockerfile to get the tokens by @DavidDeSloovere in #35
• Update repo structure, files and GitHub actions by @tjorim in #61, #62, #64
• Fix name typo in manifest.json by @azcn2503 in #63
• Update extra attributes naming convention by @tjorim in #65, closes #60.

New Contributors

• @DavidDeSloovere made their first contribution in #35
• @azcn2503 made their first contribution in #63

Full Changelog: 5.0.1...5.1.0