add debug info to script

Author: rbren

scripts/build.sh

@@ -1,4 +1,6 @@
 set -e
+echo "Building dev..."
 webpack-cli --mode=development --target=web
+echo "Building prod..."
 webpack-cli --mode=production --target=web --output-filename=dist/[name].min.js --profile --json > dist/stats.json