add cli benchmarks (#1177)

scripts/benchmarks-ci.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+steps=50
+repeat=20
+chainName=$1
+
+benhcmarkOutput=./polkadot-parachains/$chainName/src/weights
+benhcmarkChainName="$chainName-dev"
+
+pallets=(
+    pallet_assets
+	pallet_balances
+	pallet_collator_selection
+	pallet_multisig
+	pallet_proxy
+	pallet_session
+	pallet_timestamp
+	pallet_utility
+	pallet_uniques
+	cumulus_pallet_xcmp_queue
+	frame_system
+)
+
+for p in ${pallets[@]}
+do
+	./artifacts/polkadot-collator benchmark \
+		--chain=$benhcmarkChainName \
+		--execution=wasm \
+		--wasm-execution=compiled \
+		--pallet=$p  \
+		--extrinsic='*' \
+		--steps=$steps  \
+		--repeat=$repeat \
+		--json \
+        --header=./file_header.txt \
+		--output=$benhcmarkOutput
+done