text editor for screenplays HELP!

Hi everyone,

I would like to ask if someone could help to give me an explanation of how could reach a web app to write screenplays with code mirror implementing .fountain library, I read that someone said that if you want to learn to program you need to find a problem to solve so I found this, as a visual producer I can´t find some tools to work involving writing, scheduling, and budgeting. building the text editor could lead to the rest of it in the future.

some examples that use .fountain are:


thanks for your time ad hope some one can give me some comments!