Add script to build plugin zip

bin/build-zip.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+rm woocommerce-admin-test-helper.zip
+
+echo "Building"
+npm run build
+
+echo "Creating archive... 🎁"
+zip -r "woocommerce-admin-test-helper.zip" \
+	woocommerce-admin-test-helper.php \
+	plugin.php \
+	build/ \
+	api/ \
+	README.md

package.json

@@ -17,7 +17,8 @@
 		"packages-update": "wp-scripts packages-update",
 		"start": "wp-scripts start",
 		"test:e2e": "wp-scripts test-e2e",
-		"test:unit": "wp-scripts test-unit-js"
+		"test:unit": "wp-scripts test-unit-js",
+		"zip": "./bin/build-zip.sh"
 	},
 	"devDependencies": {
 		"@woocommerce/dependency-extraction-webpack-plugin": "1.4.0",