Github Action Rejected

Hey,

My submission got rejected by saying that it is not a usable action,

Can anyone specify me the exact problem in my repo and what changes needs to be done in that.

Repo Link

https://github.com/Potential17/Twitter-retweet-bot

Did you try to submit your action to https://githubhackathon.com/? If so, please ask your question here: 

https://github.community/t5/Events/Featured-Event-GitHub-Actions-Hackathon/td-p/48206 Thank you for your coorperation.