Add nomination pools to Polkadot runtime (#5582)

* Add nomination poools to Polkadot runtime

* fmt + spellcheck

* cargo run --quiet --profile=production --features runtime-benchmarks -- benchmark pallet --chain=polkadot-dev --steps=50 --repeat=20 --pallet=pallet_nomination_pools --extrinsic=* --execution=wasm --wasm-execution=compiled --header=./file_header.txt --output=./runtime/polkadot/src/weights/

* fiux

* ".git/.scripts/bench-bot.sh" runtime polkadot-dev pallet_nomination_pools

* ".git/.scripts/fmt.sh" 1

* Update runtime/polkadot/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <[email protected]>

* fix

* fmt

* Update runtime/polkadot/src/lib.rs

Co-authored-by: Parity Bot <[email protected]>
Co-authored-by: command-bot <>
Co-authored-by: Oliver Tale-Yazdi <[email protected]>