Update docs due to deprecation of basic auth.

README.md

@@ -54,7 +54,7 @@ However, you can also choose to install the pre-built packages that do not have
   - If you've already forked the repo and haven't updated your fork since the new installer was created, you'll need to do so first.
   - You can use the following commands to pull the latest changes, merge them, and push them back up to your repo ([git](https://git-scm.com/downloads) required).  Make sure to replace `{your-username}` with your GitHub username.
 	```
-	git clone https://github.com/{your-username}/remotely
+	git clone git@github.com:{your-username}/remotely
 	cd ./remotely
 	git remote add upstream https://github.com/lucent-sea/remotely
 	git pull upstream master