Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/Readarr/blame/commit/7f8dc3d2b434e58a94d2d40048416c13c42f2593/CONTRIBUTING.md
You should set ROOT_URL correctly, otherwise the web may not work correctly.
2. Clone the repository into your development machine. [*info*](https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/cloning-a-repository-from-github)
- If you're adding a new, already requested feature, please comment on [Github Issues](https://github.com/Readarr/Readarr/issues "Github Issues") so work is not duplicated (If you want to add something not already on there, please talk to us first)
- Each PR should come from its own [feature branch](http://martinfowler.com/bliki/FeatureBranch.html) not develop in your fork, it should have a meaningful branch name (what is being added/fixed)