Instance of default composer editor

[mael]

Yo guys, i would want to create a plugin to upload especific file extensions at home page with a form, tho this form will have several inputs to upload the file, thumbnails but i also want to place a textarea with formatting text like the nodebb default composer. So you guys know if is it possible to create a new instance independent of the form for new topics using default composer? or i need to develep a new entire one for this purpose? Please guide me in the right way