kvs: add rst format to inline docs #84

Job	Run time
python linting	34s
Generate build matrix	6s
spelling	5s
validate commits	0s
bookworm - test-install	12m 39s
bookworm - 32 bit	12m 56s
noble - test-install	13m 16s
el9 - test-install	11m 55s
alpine - test-install	12m 11s
fedora40 - test-install	12m 17s
jammy - test-install	11m 54s
focal - py3.8	16m 28s
bookworm - gcc-12,content-s3,distcheck	19m 5s
fedora40 - clang-18	16m 40s
coverage	23m 53s
el8 - ascii	19m 20s
el8 - test-install	14m 57s
el8 - system,coverage	7m 32s
inception	21m 22s
flux-accounting check	4m 34s
flux-pmix check	12m 50s
macos build only	2m 37s
flux-pam check	3m 53s
flux-sched check	6m 43s
Generate docker manifest	0s
	4h 17m 47s

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