Add examples using ControlPlots #1094

Job	Run time
Julia lts - ubuntu-latest - x64 - with code coverage	2m 46s
Julia 1 - ubuntu-latest - x64 - with code coverage	2m 48s
Documentation	2m 3s
Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}	0s
	7m 37s

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