Added parts to break chapter flow

_quarto.yml

@@ -76,26 +76,39 @@ book:
       - contents/about.qmd
     - text: "---"
     - part: contents/foreword.qmd
+    - part: Fundamentals
       chapters:
       - contents/introduction/introduction.qmd
       - contents/ml_systems/ml_systems.qmd
       - contents/dl_primer/dl_primer.qmd
+    - part: Workflow
+      chapters:
       - contents/workflow/workflow.qmd
       - contents/data_engineering/data_engineering.qmd
       - contents/frameworks/frameworks.qmd
+    - part: Training
+      chapters:
       - contents/training/training.qmd
       - contents/efficient_ai/efficient_ai.qmd
       - contents/optimizations/optimizations.qmd
       - contents/hw_acceleration/hw_acceleration.qmd
+    - part: Deployment
+      chapters:
       - contents/benchmarking/benchmarking.qmd
       - contents/ondevice_learning/ondevice_learning.qmd
       - contents/ops/ops.qmd
+    - part: Advanced Topics
+      chapters:
       - contents/privacy_security/privacy_security.qmd
       - contents/responsible_ai/responsible_ai.qmd
       - contents/sustainable_ai/sustainable_ai.qmd
       - contents/robust_ai/robust_ai.qmd
       - contents/generative_ai/generative_ai.qmd
+    - part: Impact
+      chapters:
       - contents/ai_for_good/ai_for_good.qmd
+    - part: Closing
+      chapters:
       - contents/conclusion/conclusion.qmd
     - text: "---"  
     - part: REFERENCES