hack/zagreb: Add contents for first session

Signed-off-by: Stefan Jumarea <stefanjumarea02@gmail.com>

content/hackathons/2024-05-zagreb/index.mdx

@@ -92,6 +92,12 @@ As part of the Unikraft community, [Răzvan Deaconescu](https://github.com/razva
 
 ### Deploying Cloud Applications using KraftCloud
 
+If you did not create an account already, signup [here](https://console.kraft.cloud/signup) and get a `token`.
+You will be using that in the following sessions.
+
+Once you have a token, follow the steps [here](http://docs.kraft.cloud/quickstart/) to deploy your first unikernel.
+If everything went well, deploy more applications following the links [here](TODO).
+
 ### Behind the Scenes: Using KraftKit to Operate Unikraft Applications
 
 ### Using Docker and Docker-based Filesystems