We need a Firefox/Chrome extension that prominently points you to the arXiv PDF of an article when you visit a publication page with a research paywall, and upl

We need a Firefox/Chrome extension that prominently points you to the arXiv PDF of an article when you visit a publication page with a research paywall, and upload it if it hasn't been uploaded . There's already a place to and process to legally upload papers(as preprints in Arxiv) it is just a matter for making it heavily public and accessible.