Add due date and NLP parsing to todo list extension

[dedalusj]

Description

• Add an optional due date to items in the todo list extension
• Add optional natural language processing to the todo list extension to automatically parse due dates and tags when entering a new item

Checklist

• I read the extension guidelines
• I read the documentation about publishing
• I ran npm run build and tested this distribution build in Raycast
• I checked that files in the assets folder are used by the extension itself
• I checked that assets used by the README are placed outside of the metadata folder

[raycastbot]

Thank you for your first contribution! 🎉

🔔 @maggie-j-liu @joshkorol @madza91 @bkeys818 @pernielsentikaer @telmen @ridemountainpig you might want to have a look.

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