Without loosing time , let me answer all queries one by one :-,
1) what you would do to promote a restaurant business via social media
Answer: share plan on PM.
2) how you would promote home delivery meals via social media
Answer: show picture , gif with delicious caption, reviews, etc.
3) what social media channels you are strong on
Answer: Fb , insta , pinterest, tumblr, youtube, twitter , are strongest part. other also good.
4) if you have done paid advertising on social media
Answer : ofcource , Share your plan budget then i can also help you how to run & manage it.
5) what experience you have had with face book messanger bots if any
Answer, I have setup , share exact test details .
I have more than 7+ years of experience in seo and digital marketing .
Regards,
Kiran G.