Merge pull request #258 from jay-garcia/patch-2

Add GCP SSH documentation for learners using Google Cloud

Author: madebygps

docs/phase1/4-ssh.md

@@ -6,7 +6,7 @@ Now you need to learn how to access a virtual machine via SSH.
 
 1. Study: [What is SSH](https://www.cloudflare.com/learning/access-management/what-is-ssh/)
 
-1. [Azure: Work through this exercise to practice your skills](https://learn.microsoft.com/training/modules/develop-on-remote-machine/) or [AWS: Work through this exercise to practice your skills](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connect-linux-inst-ssh.html)
+1. [Azure: Work through this exercise to practice your skills](https://learn.microsoft.com/training/modules/develop-on-remote-machine/) or [AWS: Work through this exercise to practice your skills](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connect-linux-inst-ssh.html) or [GCP: Read this to learn how to SSH into a VM in Google Cloud](https://cloud.google.com/compute/docs/connect/standard-ssh)
 
 ## SSH concepts you should know