init: allow `nonstandard_style` for generated accessor/value #664

Job	Run time
ui-tests	1m 46s
clippy	1m 19s
fmt	12s
readme	1m 12s
docs	16s
msrv/check	5m 32s
msrv/test	9m 7s
nightly/check --all-targets	2m 14s
beta/test --all-targets	3m 30s
apply	45s
nightly-msrv	7m 27s
update	1m 31s
beta/check --all-targets	2m 15s
sanitizers (--doc)	1m 15s
nightly/--features default test --doc	2m 33s
beta/--features default test --doc	2m 35s
signed-off-by	4s
link-heartbeat	33s
nightly/test --all-targets	3m 34s
os-check (windows-latest)	3m 34s
os-check (macos-latest)	2m 4s
miri (-Zmiri-tree-borrows)	3m 17s
sanitizers (--all-targets)	1m 19s
miri ()	3m 3s
miri (-Zmiri-tree-borrows -Zmiri-strict-provenance)	3m 15s
miri (-Zmiri-strict-provenance)	2m 58s
	1h 7m 10s

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