feat: document deepcopyparser #58

Job	Run time
Build Prometheus for common architectures (0)	3m 20s
Build Prometheus for all architectures	0s
Check generated parser	22s
Build Prometheus for common architectures (1)	3m 31s
fuzzing	0s
Build Prometheus for common architectures (2)	3m 13s
golangci-lint	48s
Go tests	40s
More Go tests	4m 33s
Go tests with previous Go version	3m 14s
Mixins tests	2m 11s
UI tests	2m 21s
Go tests on Windows	17m 21s
codeql / Analyze (javascript)	1m 23s
Publish UI on npm Registry	1m 20s
Publish release artefacts	0s
Publish main branch artifacts	0s
	44m 17s

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