add comments per section #34653

Job	Run time
cargo-tests	25s
formatting	37s
Can get NNS proposal args	0s
Config is as expected	30s
IC Commit	25s
Migration test utilities work	25s
minor-version-bump-works	34s
Release template	35s
ShellCheck	21s
small-tests (ubuntu-20.04)	22s
relative-imports	4s
small-tests (macos-13)	24s
spelling	35s
svelte-lint	35s
The nns-dapp npm and cargo versions should match	28s
vitest-shard-2-of-2	39s
vitest-shard-1-of-2	39s
checks-pass	4s
	7m 42s

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