marquiz: Makefile: add apigen target

JobBuild
541
08-04 16:05
pull-node-feature-discovery-build 1422951712636801024
pull-node-feature-discovery-build-gh-pages 1422951712724881408
pull-node-feature-discovery-build-image 1422951712678744064
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pull-node-feature-discovery-verify-docs 1422951712599052288