refactor(build): switch UMD bundle directory to _bundles

Author: christopherthielen

package.json

@@ -1,9 +1,9 @@
 {
   "name": "@uirouter/sticky-states",
   "description": "UI-Router Sticky States: Keep states and their components alive while a different state is activated",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "scripts": {
-    "clean": "shx rm -rf lib lib-esm bundles",
+    "clean": "shx rm -rf lib lib-esm _bundles",
     "build": "npm run clean && tsc && tsc -m es6 -outDir lib-esm && npm run bundle",
     "bundle": "rollup -c",
     "test": "karma start",

rollup.config.js

@@ -32,7 +32,7 @@ var extension = MINIFY ? ".min.js" : ".js";
 const CONFIG = {
   moduleName: pkg.name,
   entry: 'lib-esm/stickyStates.js',
-  dest: 'bundles/ui-router-sticky-states' + extension,
+  dest: '_bundles/ui-router-sticky-states' + extension,
   external: '@uirouter/core',
   globals: { '@uirouter/core': '@uirouter/core' },