Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "texthtm

I am struggling to deploy this project on vercel. Gives me the following error and shows a white black screen on the vercel site-

"Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "text/html". Strict MIME type checking is enforced for module scripts per HTML spec."

Here is my github repo for checking the code -

I tried to change everything and used the previous forums to understand the error but couldnt find anything.