I know that GitHub automatically determines a repository's language by looking a the type of files in the repository. It is however supposed to be possible to override this by editing the .gitattributes file in the repository's root, as suggested in GitHub changes repository to the wrong language.
But I'm unable to make this work, and no language is specified for my repository (supposed to be Javascript).
This is my .gitattributes file:
examples/* linguist-vendored
* linguist-vendored
*.js linguist-vendored=false
*.js linguist-detectable=true
*.js linguist-language=JavaScript
My repository is: