Add Parcel bundler to build process.

Change-Id: Iade8364efa0d2ce9443b67e20bf09ea93a3d7bcd
diff --git a/src/main/resources/templates/benki/bookmarks/newBookmark.html b/src/main/resources/templates/benki/bookmarks/newBookmark.html
index e52ce30..d6a868c 100644
--- a/src/main/resources/templates/benki/bookmarks/newBookmark.html
+++ b/src/main/resources/templates/benki/bookmarks/newBookmark.html
@@ -11,8 +11,7 @@
 
 {#body}
 
-<script type="module" src="/bookmarks/MlkBookmarkSubmissionForm.js"></script>
-<script type="module" src="/bookmarks/newBookmark.js" defer></script>
+<script type="module" src="/lib.js"></script>
 
 <mlk-bookmark-submission-form
     id="bookmark-submission-form"