Generate Content Ch 8-13

use the chapter-content-generator skill to create content for chapters 08 to 13.
You will find these documents at @docs/chapters/*. For each chapter, when you finish, export the session log to logs/ch-NN.md where NN is the chapter number.
Remember to use LaTeX for all equations.use the chapter-content-generator skill to create content for chapters 08 to 13.