fix toc

book/_toc.yml

@@ -8,7 +8,6 @@ parts:
       sections:
       - file: some_content/text_and_code.ipynb
     - file: exercises
-      caption: Beginner exercises
       sections:
       - file: exercises/001.md
       - file: exercises/002.md
@@ -18,7 +17,6 @@ parts:
       - file: exercises/006.md
       - file: exercises/summary
     - file: advances_exercises.md
-      caption: Advanced exercises
       sections:
       - file: user_type_3.md
         sections:

book/exercises/008.md

@@ -0,0 +1,29 @@
+# Exercise 8: Add a figure/gif/video
+
+Now let's add a figure. If you want to add a figure/gif/video to you book, you can refer to another website. This is quite handy for video's but it does carry the risk that this figure/gif/video will no longer be visible if the location is changed. 
+
+
+
+
+
+So it is better to add the source directly to the book. So you first need to upload a figure to GitHub and then reference that figure in our file. (Note: later this becomes much easier).
+
+
+```{figure} figures/HubUser3_EditFile2.PNG
+---
+width: 80%
+align: center
+---
+Commit changes
+```
+
+6. In case you added a new file, you also need to include it table of contents of your book! The table of contents is specified in a file called `toc.yml` and it is already included in your repository if you used the teachbooks template. You can edit it and commit the changes in the same manner as with markdown `(file.md)` files.
+
+```{figure} figures/HubUser3_toc.PNG
+---
+width: 80%
+align: center
+---
+Table of contents
+```
+````