Add Google account setup documentation

Author: foxylion

README.md

@@ -23,3 +23,19 @@ Under `services/` are all services with their source code and a Dockerfile to bu
 The `docs/` folder contains all documentation available to the participants of the Workshop.
 
 Available at [itdesign.github.io/kubernetes-workshop](https://itdesign.github.io/kubernetes-workshop/).
+
+## Setup Google account structure
+
+- Create a Google organization: https://gsuite.google.com/signup/gcpidentity/welcome
+  - Use a custom domain which is verified using an TXT DNS record
+  - Up to 50 users Google Identity is free: https://support.google.com/cloudidentity/answer/7295541
+  - Create x accounts: user-$[email protected]
+- Add another account which hosts the projects
+  - Enabled billing for the account
+  - Request a limit increase for the project limit inside the billing account (default: 5)
+  - Create x projects
+  - Add each project to the user in Google Identity:
+    ```bash
+    for i in {1..30}; do gcloud projects add-iam-policy-binding k8sworkshop-xyz-$i --member user:user-$i@my-domain.com --role roles/editor; done
+    ```
+