add new, improved script for new module bootstrapping

package.json

@@ -10,8 +10,7 @@
     "release-candidate": "script/release-candidate",
     "release": "script/release",
     "bump": "lerna publish --exact --skip-npm",
-    "new-module": "cd modules && yo ./generator-primer-module/app",
-    "postnew-module": "npm run bootstrap",
+    "new-module": "script/new-module",
     "test": "lerna run test"
   },
   "devDependencies": {

script/new-module

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+echo
+echo "📦  Creating a new module..."
+echo
+echo "   Protip: you can pass --force to skip the Yeoman conflict prompts."
+echo "   Otherwise, press 'y' for each one or 'a' for the first."
+echo
+
+pushd modules > /dev/null
+../node_modules/.bin/yo ./generator-primer-module/app "$@"
+popd > /dev/null
+
+echo "✅  All set! Let me bootstrap that new module for ya..."
+npm run bootstrap