Hello,
Happy to see your (google appscript from google document) project post. I can definitely do Google Sheets, Java, Google Docs, Google Web Toolkit and HTML for you according to the project brief.
I have already successfully delivered similar projects in the past and I would love to share the portfolio with you:
https://www.freelancer.com/u/iamNahida
So, just hit the chat button, share your details, and get the job done.
Thanks
Ali Shan