feat(rpc): add web3, net namespaces and expand debug/eth for tooling compatibility #610

Job	Run time
rust-library-base / Feature Checks	48s
rust-library-base / Base Checks / doctest	1m 7s
rust-library-base / Base Checks / Rustfmt	23s
rust-library-base / Base Checks / Clippy	39s
rust-library-base / Base Checks / Test Suite	2m 4s
rust-library-base / Base Checks / Docs	41s
	5m 42s

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