Merge pull request #484 from nyan-left/fix/contributing

docs: update CONTRIBUTING.md (remove -r copy instruction)

Author: bbohlender

CONTRIBUTING.md

@@ -6,7 +6,6 @@ To get started, make sure you have [Node](https://nodejs.org) and [PNPM](https:/
 
 ```bash
 pnpm i
-pnpm -r copy
 pnpm -r build
 ```