Add link to zip file

README.md

@@ -11,12 +11,16 @@ The software tools are provided as Docker containers. Please make sure you have
    git clone [email protected]:Southampton-RSG/qubox-workshop-iucr-2023.git
    ```
 
-  _Alternatively, you can download a zip file with the contents of this repository [here](). Once downloaded, extract this to a location of your choice._
+  _Alternatively, you can download a zip file with the contents of this repository [here](https://github.com/Southampton-RSG/qubox-workshop-iucr-2023/archive/refs/tags/v1.0.0.zip). Once downloaded, extract this to a location of your choice._
 
 
 - Open a terminal / PowerShell and change into the cloned repository (or extracted folder).
   ```bash
+  # If you cloned this repository:
   cd qubox-workshop-iucr-2023
+
+  # If you downloaded and extracted the zip file:
+  cd qubox-workshop-iucr-2023-1.0.0
   ```