add nomination pools to westend runtime (#5405)

* add nomination pools to westend rutnime

* Fix buikd

* fit some shit

* add real weights from substrate weights computed on the same bench machine

polkadot/node/service/src/chain_spec.rs

@@ -574,6 +574,7 @@ fn westend_staging_testnet_config_genesis(wasm_binary: &[u8]) -> westend::Genesi
 			next_free_para_id: polkadot_primitives::v2::LOWEST_PUBLIC_ID,
 		},
 		xcm_pallet: Default::default(),
+		nomination_pools: Default::default(),
 	}
 }
 
@@ -1543,6 +1544,12 @@ pub fn westend_testnet_genesis(
 			next_free_para_id: polkadot_primitives::v2::LOWEST_PUBLIC_ID,
 		},
 		xcm_pallet: Default::default(),
+		nomination_pools: westend_runtime::NominationPoolsConfig {
+			max_pools: Some(128),
+			min_join_bond: WND,
+			min_create_bond: 100 * WND,
+			..Default::default()
+		},
 	}
 }