docs: re-theme scenarios examples to chocolate dispenser #1670

Job	Run time
API tests	3m 46s
Static code analysis	5m 39s
Mutation tests	7m 12s
Unit tests (ubuntu-latest)	4m 40s
Unit tests (windows-latest)	6m 57s
Unit tests (macos-latest)	3m 51s
Benchmarks (CompleteIndexerBenchmarks)	4m 15s
Benchmarks (CompleteEventBenchmarks)	2m 50s
Benchmarks (CompletePropertyBenchmarks)	4m 28s
Benchmarks (CallbackBenchmarks)	2m 53s
Benchmarks (CompleteMethodBenchmarks)	5m 2s
Benchmarks (MockCreationBenchmarks)	3m 6s
Publish Tests Results	24s
	55m 3s

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