Fix documentation links in README.md #650

Job	Run time
test (17, JACKSON_CONFIG_PARSER)	6m 46s
test (17, JSON_SIMPLE_CONFIG_PARSER)	5m 42s
test (11, GSON_CONFIG_PARSER)	6m 19s
lint_markdown_files	1m 12s
test (11, JSON_CONFIG_PARSER)	5m 40s
integration_tests / test	7s
fullstack_production_suite / test	5s
test (11, JACKSON_CONFIG_PARSER)	7m 46s
test (17, GSON_CONFIG_PARSER)	6m 39s
test (11, JSON_SIMPLE_CONFIG_PARSER)	7m 58s
test (17, JSON_CONFIG_PARSER)	6m 42s
publish	0s
snapshot	0s
	54m 56s

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