Merge cup-to-go from lab into main

[realguse]

Icon name

cup-to-go

Use cases

Can be used for fast-food, take-out, or take-out drinks cafes

Design ideas

https://github.com/lucide-icons/lucide-lab/blob/main/icons/cup-to-go.svg

Checklist

• [X] I have searched if someone has submitted a similar issue before and there weren't any. (Please make sure to also search closed issues, as this issue might already have been resolved.)
• [X] I have searched existing icons to make sure it does not already exist and I didn't find any.
• [X] I am not requesting a brand logo and the art is not protected by copyright.
• [X] I am not requesting an icon that includes religious, political imagery or hate symbols.
• [X] I have provided appropriate use cases for the icon(s) requested.