Add section "Running the examples" #17

Job	Run time
Julia 1.10 - ubuntu-latest - x64 - push	2m 28s
Julia 1 - ubuntu-latest - x64 - push	4m 38s
Julia pre - ubuntu-latest - x64 - push	4m 6s
Julia 1 - windows-latest - x64 - push	5m 19s
Julia 1 - macOS-latest - x64 - push	8m 10s
	24m 41s

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