Update contribution guide for cli dev installs

Author: hlxid

docs/contribute/contribute.md

@@ -2,13 +2,16 @@
 
 There are many ways to contribute to nodecg-io: logging bugs, submitting pull requests, reporting issues, and creating suggestions.
 
-First you'll need an installation of nodecg-io. Please refer to the [installation guide](../getting_started/install.md) but
-instead of using our repository you might want to fork the nodecg-io repository to your GitHub account and clone your fork.
-
-To make changes to the documentation you also need to clone the docs repo:
-
+First you'll need an installation of nodecg-io. Please refer to the [installation guide](../getting_started/install.md) and create a development installation.
+The cli asks you whether you want to clone the documentation. It's highly recommended that you do that and update the documentation as you add new services or features.
+To be able to create Pull Requests you should fork the corresponding repositories and add them as a remote (update url for e.g. documentation repository):
 ```shell
-git clone https://github.com/codeoverflow-org/nodecg-io-docs.git
+git remote add fork https://github.com/[YOUR_USERNAME]/nodecg-io.git
+```
+
+Then you can create a new branch, do your changes, create commits and publish the branch to your fork using the following command:
+```
+git push fork my-branch
 ```
 
 ## Build