[documentation] small README changes #86

Job	Run time
build-on-windows (windows-debug)	52s
build-on-linux (linux-kvm-debug)	52s
build-on-windows (windows-release)	50s
build-on-linux (linux-kvm-release)	53s
build-on-linux (linux-hyperv-debug)	58s
build-on-linux (linux-hyperv-release)	59s
rust / build (windows-2022-debug-amd)	16m 22s
rust / build (linux-kvm-debug-amd)	10m 2s
rust / build (linux-hyperv-debug-amd)	10m 37s
rust / build (windows-2022-release-amd)	20m 1s
rust / build (linux-kvm-release-amd)	13m 58s
rust / build (linux-hyperv-release-amd)	13m 37s
rust / build (windows-2022-debug-intel)	15m 11s
rust / build (linux-kvm-debug-intel)	9m 31s
rust / build (linux-hyperv-debug-intel)	9m 32s
rust / build (windows-2022-release-intel)	19m 9s
rust / build (linux-kvm-release-intel)	13m 11s
rust / build (linux-hyperv-release-intel)	13m 22s
fuzzing / fuzz	9m 54s
	2h 59m 51s

Provide feedback