Break Type Derivation module into chapters #2153

Job	Run time
Labs-Slides	1m 3s
Labs (ubuntu-latest)	51s
List-Courses	5s
Contrib scripts check	1m 10s
Python scripts black lint check	6s
Slides (static_analysis_via_compiler)	1m 23s
Slides (fundamentals_of_ada)	9m 12s
Slides (gnat_project_facility)	2m 3s
Slides (gnat_studio)	1m 18s
Slides (toolchain)	1m 23s
Slides (gnatsas)	2m 45s
Slides (gnatdas)	2m 36s
Slides (spark_for_ada_programmers)	3m 1s
Slides (advanced_exception_analysis)	1m 10s
Slides (fundamentals_of_ada/opat.txt)	2m 8s
Slides (fundamentals_of_ada/standard_course.txt)	2m 11s
Slides (fundamentals_of_ada/advanced.txt)	1m 56s
Slides (gnat_project_facility/standard_course.txt)	1m 38s
Slides (gnat_studio/course.txt)	1m 9s
Slides (toolchain/gnat_toolchain.txt)	1m 35s
Slides (spark_for_ada_programmers/course.txt)	2m 1s
	40m 44s

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