Module Linker
Module Linker adds direct links in the GitHub source code viewer, to any imported modules or files. If you're browsing source code on GitHub, this extension will improve your life.
Works with all flavours of Javascript, Python, Go, Rust, Nim, Ruby, Elm, Haskell, Julia, Crystal, Purescript and more!
See this page for a full list of supported files, and screenshots.
Install it: https://chrome.google.com/webstore/detail/dglofghjinifeolcpjfjmfdnnbaanggn or https://addons.mozilla.org/firefox/addon/module-linker/