lint

Integrate Watcher, DB, Indexer #76

Job	Run time
clippy	30s
check-toml	5s
codespell	8s
docs	32s
features	55s
fmt	12s
udeps	2m 36s
no_std (wasm, wasm32-unknown-unknown, scroll-engine,scroll-wire,scroll-network,rollup-node-manage...	37s
no_std (riscv, riscv32imac-unknown-none-elf, scroll-engine,scroll-wire,scroll-network,rollup-node...	46s
zepter	37s
	6m 58s

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