Starting the doc, still broken due to image though

Author: callingmybluff

README.md

@@ -58,6 +58,14 @@ Doccano can be deployed to AWS ([Cloudformation](https://docs.aws.amazon.com/AWS
 
 > Notice: (1) EC2 KeyPair cannot be created automatically, so make sure you have an existing EC2 KeyPair in one region. Or [create one yourself](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#having-ec2-create-your-key-pair). (2) If you want to access doccano via HTTPS in AWS, here is an [instruction](https://github.com/chakki-works/doccano/wiki/HTTPS-setting-for-doccano-in-AWS).
 
+### GCP
+
+If you have a very small team, Doccano can also be deployed to GCP ([Cloud Run](https://cloud.google.com/run)) by clicking on the button below:
+
+https://console.cloud.google.com/cloudshell/editor?shellonly=true&cloudshell_image=gcr.io/cloudrun/doccano&cloudshell_git_repo=https://github.com/chakki-works/doccano.git
+
+> Note: Although this is a very cheap option, it is only suitable for very small teams (up to 80 concurrent requests). Read more on [Cloud Run docs](https://cloud.google.com/run/docs/concepts).
+
 ## Features
 
 -   Collaborative annotation