fix: add a new md formatter (#631) #1786

Job	Run time
change-detection / Identify source changes	6s
cookie / Check included Noxfile	4m 15s
cookie / Check Python 3.13 on windows-latest	5m 3s
cookie / Distribution build	3m 48s
cookie / Check Python 3.9 on ubuntu-latest	2m 43s
cookie / Check Python 3.9 on macos-latest	2m 49s
cookie / Format	4m 8s
cookie / Check Python 3.13 on macos-latest	2m 26s
cookie / Check Python 3.9 on windows-latest	4m 31s
rr-tests / Check Python 3.10 on macos-14	49s
rr-tests / Check Python 3.10 on windows-latest	32s
rr-tests / Check Python 3.11 on ubuntu-latest	19s
rr-tests / Check Python 3.10 on ubuntu-latest	21s
rr-tests / Action	16s
rr-tests / Check Python 3.11 on macos-14	17s
rr-tests / Check Python 3.13 on macos-14	21s
rr-tests / Check Python 3.11 on windows-latest	29s
rr-tests / Check Python 3.13 on ubuntu-latest	26s
cookie / Check Python 3.13 on ubuntu-latest	2m 24s
rr-tests / Check Python 3.12 on windows-latest	38s
rr-tests / Check Python 3.12 on ubuntu-latest	24s
rr-tests / Check Python 3.12 on macos-14	27s
cookie / Check Python pypy-3.10 on ubuntu-latest	3m 52s
rr-tests / Run pylint	16s
rr-tests / Run cog on README	11s
rr-tests / Check Python 3.13 on windows-latest	35s
cookie / pass	9s
pass	5s
	42m 40s

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