Closes #2

docs/00-series-overview.md

@@ -82,6 +82,7 @@ ota-reference-design/
 │   ├── 02-update_strategies.md
 │   ├── 03-system-architecture.md
 │   ├── 04-starting-an-updated-system-or-service.md
+│   ├── 05-storage-layout.md
 │   ├── ...
 │
 ├── diagrams/
@@ -110,6 +111,7 @@ The chapters are designed to build on each other. The current chapters are:
 - [02. Choosing an OTA Update Strategy](02-update_strategies.md)
 - [03. OTA System Architecture](03-system-architecture.md)
 - [04. Starting an Updated System or Service](04-starting-an-updated-system-or-service.md)
+- [05. Storage Layout](05-storage-layout.md)
 
 The learning path below also includes planned chapters.