feat(scripts): add script gen-live-network-raw-spec.sh

scripts/gen-live-network-raw-spec.sh

+#!/usr/bin/env bash
+#
+# USAGE
+
+# This script is meant to be run on Unix/Linux based systems
+set -e
+
+# params
+CURRENCY="${1:-gdev}"
+GENESIS="${2:-resources/$CURRENCY.json}"
+
+# constants
+DUNITER_BINARY="./target/debug/duniter"
+
+# generate raw_chain spec
+export DUNITER_GENESIS_CONFIG=$GENESIS
+$DUNITER_BINARY build-spec --chain $CURRENCY-gl --raw > resources/$CURRENCY-raw.json