Part of https://github.com/paritytech/polkadot-sdk/issues/6504

### Added modules

- `utility`: Traits not tied to any direct operation in the runtime.

polkadot address: 14SRqZTC1d8rfxL8W1tBTnfUBPU23ACFVPzp61FyGf4ftUFg

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Co-authored-by: Giuseppe Re <giuseppe.re@parity.io>