In the Getting Started guide, Chapter 7 and 8 are both about theme customization. These chapters can be consolidated, modularized, reorganized, and renamed for better navigation.

Resolve this with the following actions: 

• Create a new assembly for theme customization
• Create a new modules sub-dir in the repo for customization content
• Create and rename modules to include in the assembly
• Add metadata to assembly and module files
• Update the master.adoc