Create chapter 9 folder structure with template files

lessons/09-lesson/README.md

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+# Lesson 9: Title of Lesson
+
+In this chapter you will learn:
+
+- First learning objective for this chapter
+- Second learning objective for this chapter
+- Third learning objective for this chapter
+
+## Setup
+
+If you haven't already, set up your development environment. Here's how you can do it: [Setup your environment](/docs/setup/README.md).
+
+## Related resources
+
+[![Watch a short video about the topic](https://img.youtube.com/vi/VIDEO_ID_HERE/0.jpg)](https://www.youtube.com/watch?v=VIDEO_ID_HERE)
+
+_This video gives you an introduction to the main topic of this lesson_
+
+💼 Slides: [Title of slides](../../videos/slides/SLIDE_FILENAME.pptx)
+
+## Main Concept Introduction
+
+Introduction to the main concept covered in this lesson. This section provides background and context for the technology or concept being taught.
+
+## Narrative Section
+
+> [!NOTE] 
+> A note about the storyline or narrative of this lesson, connecting it to the overall journey through the curriculum.
+
+Your journey continues with new challenges and discoveries...
+
+### First Subsection of Narrative
+
+Details about this part of the narrative...
+
+<div>
+   <img src="./assets/image1.png" alt="Description of image" width="300">
+</div>
+
+### Second Subsection of Narrative
+
+More details about the narrative...
+
+## Technical Content Section
+
+Technical details, explanations, and examples about the main topic of the lesson.
+
+### Technical Subsection 1
+
+Details about a specific technical aspect...
+
+### Technical Subsection 2
+
+More technical details...
+
+```JavaScript
+// Code example
+const example = "Sample code";
+console.log(example);
+```
+
+## Assignment Section
+
+Description of the assignment for this lesson...
+
+**Instructions:** Specific instructions for completing the assignment...
+
+> [!TIP] 
+> A helpful tip for completing the assignment.
+
+## Solution
+
+[Solution](./solution/solution.md)
+
+### Knowledge check
+
+**Question:** A sample question testing knowledge from this lesson?
+
+A. First option
+B. Second option
+C. Third option
+
+[Quiz solution](./solution/solution-quiz.md)
+
+## Self-Study resources
+
+- [First resource](URL_HERE)
+- [Second resource](URL_HERE)

lessons/09-lesson/solution/solution-quiz.md

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+# Quiz Solution
+
+This is a placeholder for the quiz solution content. The correct answer would be added when the chapter's material is developed.

lessons/09-lesson/solution/solution.md

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+# Solution
+
+This is a placeholder for the solution content. The actual content would be added when the chapter's material is developed.

lessons/09-lesson/styles.css

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+img {
+    margin-left: 15px; 
+    margin-top: 12px;
+    width: 400px;
+}