It sounds like you should spend the bulk of your time instead on figuring out how the text annotation portion will work - the framework will be secondary or even tertiary to being able to annotate the text and saving and retrieving the annotations.
Copy a lot from the other websites, ex: medium.com does this annotation, yeah? (side question, why not blog on medium and leverage the annotations there?)
It sounds like you should spend the bulk of your time instead on figuring out how the text annotation portion will work - the framework will be secondary or even tertiary to being able to annotate the text and saving and retrieving the annotations.
Copy a lot from the other websites, ex: medium.com does this annotation, yeah? (side question, why not blog on medium and leverage the annotations there?)