Rework sidebar #4339

Job	Run time
build (stable, examples/counter)	1m 13s
build (stable, examples/marvel)	1m 14s
build (stable, examples/pub)	1m 19s
build (stable, examples/random_number)	1m 12s
build (stable, examples/stackoverflow)	1m 4s
build (stable, examples/todos)	1m 24s
build (stable, packages/riverpod)	2m 47s
build (stable, packages/riverpod/example)	1m 21s
build (stable, packages/flutter_riverpod)	1m 28s
build (stable, packages/flutter_riverpod/example)	1m 13s
build (stable, packages/hooks_riverpod)	1m 14s
build (stable, packages/hooks_riverpod/example)	1m 30s
build (stable, packages/riverpod_annotation)	1m 9s
build (stable, packages/riverpod_generator)	1m 48s
build (stable, packages/riverpod_generator/integration/build_yaml)	1m 38s
build (stable, website)	1m 22s
build (master, examples/counter)	1m 54s
build (master, examples/marvel)	2m 7s
build (master, examples/pub)	1m 27s
build (master, examples/random_number)	1m 28s
build (master, examples/stackoverflow)	1m 32s
build (master, examples/todos)	1m 34s
build (master, packages/riverpod)	3m 44s
build (master, packages/riverpod/example)	1m 48s
build (master, packages/flutter_riverpod)	1m 47s
build (master, packages/flutter_riverpod/example)	1m 38s
build (master, packages/hooks_riverpod)	1m 56s
build (master, packages/hooks_riverpod/example)	1m 54s
build (master, packages/riverpod_annotation)	1m 7s
build (master, packages/riverpod_generator)	2m 25s
build (master, packages/riverpod_generator/integration/build_yaml)	2m 27s
build (master, website)	2m 26s
	54m 10s

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