add guide to launching an exercise

docs/INJECT_process/prepare/overview.md

@@ -130,7 +130,41 @@ However, there is an alternative option available: you can prepare content direc
     - Test it in the platform.
     - We suggest to organize a dry run at the end of the Prepation phase.
 
-    ### User onboarding
+    ### How to Launch an Exercise on the INJECT Exercise Platform
+
+    1. **Navigate to the Exercise Panel**  
+        - Access the exercise panel.
+        ![](../../images/exercise_panel.png)
+        - The exercise panel has two main sections:
+          - **Definitions**: This section handles definitions. You can upload, remove, and manage instructor access to them.
+          - **Exercises**: This section handles exercises. You can create, pause, remove exercises, add participants, and download logs.
+
+    2. **Upload an Exercise Definition**
+    
+        - In the `Definitions` section, click the `+ Add` button to upload a definition.
+        - You may use the showcase definition provided here:
+
+          <div class="NAVIGATION" markdown>
+          [INJECT Definition Example](https://gitlab.fi.muni.cz/inject/inject-docs/-/raw/main/files-from-repos/showcase-definition.zip?ref_type=heads&inline=false){ .md-button }
+          </div>
+
+    3. **Create an Exercise**
+        - In the `Exercises` section, click the `+ Add` button.
+        - A window will pop up asking you to select a definition and configure exercise options such as `Number of teams` and `Exercise name`.
+        - After configuring these options, click `Submit` to finish creating the exercise.
+
+    4. **Add Participants**
+        - After creating the exercise, click on the `Participants` tab under the exercise you have created.
+        - Here, you will see all the users that were automatically created, and you can assign each one a participant.
+
+    5. **Start the Exercise**
+        - Once all configurations and settings are completed, click the `Start` button under the exercise you created.
+        - This action will successfully launch the exercise on the INJECT Exercise Platform.
+
+    By following these steps, you will be able to successfully set up and run an exercise on the INJECT Exercise Platform.
+
+
+??? "User onboarding"
 
     !!! TBD
         Please note that a comprehensive guide for the creation of accounts will be developed in the coming months.