Added a example: crane moving a load #212

Job	Run time
Build and run tests (ubuntu-latest, 3.8)	4m 9s
Build and run tests (ubuntu-latest, 3.9)	4m 4s
Build and run tests (ubuntu-latest, 3.10)	4m 3s
Build and run tests (ubuntu-latest, 3.11)	4m 6s
Build and run tests (ubuntu-latest, 3.12)	4m 33s
Build and run tests (macos-13, 3.8)	6m 26s
Build and run tests (macos-13, 3.9)	5m 49s
Build and run tests (macos-13, 3.10)	6m 6s
Build and run tests (macos-13, 3.11)	7m 19s
Build and run tests (macos-13, 3.12)	9m 10s
Build and run tests (macos-latest, 3.8)	2m 51s
Build and run tests (macos-latest, 3.9)	2m 56s
Build and run tests (macos-latest, 3.10)	3m 5s
Build and run tests (macos-latest, 3.11)	3m 35s
Build and run tests (macos-latest, 3.12)	3m 39s
Build and run tests (windows-latest, 3.8)	7m 6s
Build and run tests (windows-latest, 3.9)	8m 21s
Build and run tests (windows-latest, 3.10)	9m 38s
Build and run tests (windows-latest, 3.11)	8m 33s
Build and run tests (windows-latest, 3.12)	7m 37s
	1h 53m 6s

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