Fix broken doc links #168

Job	Run time
check (none, ubuntu-latest, bash)	1m 16s
check (none, windows-latest, msys2 {0})	1m 40s
check (none, macos-latest, bash)	53s
check (std, ubuntu-latest, bash)	48s
check (std, windows-latest, msys2 {0})	1m 35s
check (std, macos-latest, bash)	47s
check (source-tracking, ubuntu-latest, bash)	51s
check (source-tracking, windows-latest, msys2 {0})	1m 44s
check (source-tracking, macos-latest, bash)	47s
check (reporting, ubuntu-latest, bash)	42s
check (reporting, windows-latest, msys2 {0})	1m 53s
check (reporting, macos-latest, bash)	45s
check (file_memmap, ubuntu-latest, bash)	43s
check (file_memmap, windows-latest, msys2 {0})	1m 54s
check (file_memmap, macos-latest, bash)	49s
check (ast-model, ubuntu-latest, bash)	35s
check (ast-model, windows-latest, msys2 {0})	1m 50s
check (ast-model, macos-latest, bash)	47s
check (lexer, ubuntu-latest, bash)	34s
check (lexer, windows-latest, msys2 {0})	1m 40s
check (lexer, macos-latest, bash)	41s
check (parser, ubuntu-latest, bash)	46s
check (parser, windows-latest, msys2 {0})	1m 39s
check (parser, macos-latest, bash)	47s
check (wright_library_defaults, ubuntu-latest, bash)	39s
check (wright_library_defaults, windows-latest, msys2 {0})	1m 52s
check (wright_library_defaults, macos-latest, bash)	51s
check (wright_binary, ubuntu-latest, bash)	38s
check (wright_binary, windows-latest, msys2 {0})	1m 50s
check (wright_binary, macos-latest, bash)	54s
	33m 10s

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