build

Add a `rawdesc` field to exported docs #3818

Job	Run time
compile (ubuntu-22.04, linux, linux-x64, alpine:latest, musl)	2m 46s
compile (ubuntu-20.04, linux, linux-x64, ubuntu:18.04)	5m 51s
compile (ubuntu-20.04, linux, linux-arm64, ubuntu:18.04)	2m 55s
compile (macos-11, darwin, darwin-x64)	6m 31s
compile (macos-11, darwin, darwin-arm64)	4m 37s
compile (windows-latest, windows, win32-ia32)	6m 32s
compile (windows-latest, windows, win32-x64)	5m 44s
	34m 56s

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