feat: Add legal notice and privacy policy links to help page #3891

Job	Run time
changes	6s
integration-sqlite (capabilities_features, 8.2, main)	4m 59s
integration-sqlite (collaboration_features, 8.2, main)	6m 41s
integration-sqlite (comments_features, 8.2, main)	6m 46s
integration-sqlite (dav_features, 8.2, main)	9m 31s
integration-sqlite (features, 8.2, main)	11m 34s
integration-sqlite (federation_features, 8.2, main)	7m 37s
integration-sqlite (--tags ~@large files_features, 8.2, main)	12m 41s
integration-sqlite (filesdrop_features, 8.2, main)	5m 6s
integration-sqlite (openldap_features, 8.2, main)	5m 17s
integration-sqlite (openldap_numerical_features, 8.2, main)	5m 29s
integration-sqlite (ldap_features, 8.2, main)	5m 10s
integration-sqlite (remoteapi_features, 8.2, main)	5m 30s
integration-sqlite (setup_features, 8.2, main)	5m 23s
integration-sqlite (sharees_features, 8.2, main)	7m 47s
integration-sqlite (sharing_features, 8.2, main)	16m 31s
integration-sqlite (videoverification_features, 8.2, main)	8m 27s
integration-sqlite-summary	5s
	2h 4m 40s

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