exercise add content

book/exercises/007.md

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+# Exercise 6: Add your first content (File Structure)
+
+Now that you've made your own version of the book, it's time to add some content. 
+
+1. Navigate to the file you want to work in (for example `book/some_content/overview.md`) and make sure you're in the correct branch.
+
+2. Let's create the structure of your chapter. You can start by adding a title to the section. The title is always defined in the first line of the file after the hashtag `#`. Then yo can also add sections and subsections as needed.
+
+```
+# Chapter Title (H1)
+## Section Title (H2)
+### Subsection Title (H3)
+#### Smaller Heading (H4)
+```
+
+3. Add some text to the sections.
+
+4. When you are ready, commit your changes to the remote repository by clicking on the green `Commit changes` button.
+
+5. Add a commit message.
+
+6. To see you changes, go to {octicon}`play;1em` `Actions` - The most recent workflow run `overview.md / the commit message of the commit you just made` - Wait for it to finish - In the summary, click on the link of your book shown in the table `Branches deployed` and under `Primary book at root` (getting bored of waiting? There'll be exercising on doing this locally which prevents you from waiting (user type 4))
+
+7. Do you see your change? If you don't see it click `CTRL`+`F5`/`Control`+`F5`to refresh the page.