Add documentation references to service units and program help #2498

Job	Run time
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, no)	5m 55s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-1.0)	5m 4s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-0.1)	4m 40s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, no)	4m 9s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-1.0)	4m 27s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-0.1)	4m 27s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, no)	5m 12s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-1.0)	4m 43s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-0.1)	4m 23s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, no)	4m 18s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-1.0)	4m 47s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-0.1)	4m 22s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, no)	4m 17s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-1.0)	4m 56s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-0.1)	4m 40s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, no)	4m 20s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-1.0)	4m 31s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-0.1)	4m 27s
Analyze (python, ubuntu-latest, PYTHON=python3, no, no)	1m 11s
	1h 24m 49s

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