Add docfx workflow #26

Job	Run time
REUSE_compliance_check	9s
publish_aot (x64, Release, minimal)	1m 53s
publish_aot (x64, Release, gui)	2m 48s
publish_aot (x64, Release, fsharp)	2m 10s
publish_aot (x64, Release, vbnet)	1m 54s
publish_aot (x64, Debug, minimal)	2m 29s
publish_aot (x64, Debug, gui)	2m 20s
publish_aot (x64, Debug, fsharp)	2m 29s
publish_aot (x64, Debug, vbnet)	2m 27s
publish_aot (arm64, Release, minimal)	2m 34s
publish_aot (arm64, Release, gui)	2m 57s
publish_aot (arm64, Release, fsharp)	2m 2s
publish_aot (arm64, Release, vbnet)	1m 55s
publish_aot (arm64, Debug, minimal)	2m 34s
publish_aot (arm64, Debug, gui)	2m 49s
publish_aot (arm64, Debug, fsharp)	1m 37s
publish_aot (arm64, Debug, vbnet)	1m 48s
	36m 55s

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