updated chapter layout

_quarto.yml

@@ -26,11 +26,12 @@ book:
     - dedication.qmd
     - introduction.qmd
     - dl_primer.qmd
+    - embedded_sys.qmd
     - embedded_ml.qmd
     - mlworkflow.qmd
     - data_engineering.qmd
-    - frameworks.qmd
     - preprocessing.qmd
+    - frameworks.qmd
     - training.qmd
     - efficient_ai.qmd
     - optimizations.qmd
@@ -44,6 +45,7 @@ book:
     - references.qmd
     - acknowledgements.qmd
 appendices:
+    - case_studies.qmd
     - tools.qmd
     - resources.qmd