Add install target and integration tests #51

# to view logs

Job	Run time
windows (Win32, Debug, windows-2019)	32s
windows (Win32, Release, windows-2019)	32s
windows (x64, Debug, windows-2019)	32s
linux (gcc, g++, Debug, ubuntu-20.04)	4s
windows (x64, Release, windows-2019)	35s
mac (Debug, macos-11)	20s
linux (gcc, g++, Debug, ubuntu-latest)	12s
mac (Release, macos-11)	16s
linux (gcc, g++, Release, ubuntu-20.04)	6s
linux (gcc, g++, Release, ubuntu-latest)	8s
linux (clang, clang++, Debug, ubuntu-20.04)	13s
linux (clang, clang++, Debug, ubuntu-latest)	7s
linux (clang, clang++, Release, ubuntu-20.04)	6s
linux (clang, clang++, Release, ubuntu-latest)	15s
	3m 58s

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