add genesis presets for glutton westend (#7481)

Extracted from #7473.

Part of: https://github.com/paritytech/polkadot-sdk/issues/5704.

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Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Branislav Kontur <bkontur@gmail.com>