Embed Shopify App in App Front in User Side Product Page

[VamshiRaj]

I'm new to Shopify and I am developing a Shopify App using React and Node JS following the Official Documentation at https://shopify.dev/tutorials/build-a-shopify-app-with-node-and-react/ that show's up a button in The product Page which when clicked opens up a popUp Page.The APp is displayed in the App Section of the Admin Dashboard but how do I embedd that in the AppFront of my product Pgae in my store??

Thanks in Advance : )