hack/zagreb: Add google spreadsheets links

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

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

@@ -96,20 +96,21 @@ If you did not create an account already, signup [here](https://console.kraft.cl
 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).
+If everything went well, deploy more applications following the links [here](https://docs.google.com/spreadsheets/d/1exnUCaUvDx_FldLOz9HNnGpbmaafMYVL_0Tu6A6AFL4/edit#gid=0).
 
 ### Behind the Scenes: Using KraftKit to Operate Unikraft Applications
 
 In the previous session, you deployed application using KraftCloud.
 Now you will build and run some unikernels locally, looking at what `kraft cloud` does behind the scenes.
 
 Follow the steps [here](https://unikraft.org/guides/using-the-app-catalog) and bring the cloud to your machine.
-After you are done with all of them, take a look to some more applications, following the links [here](TODO).
+After you are done with all of them, take a look to some more applications, following the links [here](https://docs.google.com/spreadsheets/d/1exnUCaUvDx_FldLOz9HNnGpbmaafMYVL_0Tu6A6AFL4/edit#gid=89673838).
 
 ### Using Docker and Docker-based Filesystems
 
 In order to bring your own application on KraftCloud, you need to build a minimal required filesystem.
 We do that using `docker`, then we will run the application using `kraft`.
 Follow the steps [here](https://unikraft.org/docs/contributing/adding-to-the-app-catalog) (only the ones under `Redis`) to see how you can port a new application on top of Unikraft.
+Mark the items as completed [here](https://docs.google.com/spreadsheets/d/1exnUCaUvDx_FldLOz9HNnGpbmaafMYVL_0Tu6A6AFL4/edit#gid=1549350059).
 
 ### Debugging Unikraft / KraftCloud Applications