Add Parcel bundler to build process.

Change-Id: Iade8364efa0d2ce9443b67e20bf09ea93a3d7bcd
diff --git a/src/main/resources/templates/benki/wiki/wikiPage.html b/src/main/resources/templates/benki/wiki/wikiPage.html
index 782e7cc..048c9b3 100644
--- a/src/main/resources/templates/benki/wiki/wikiPage.html
+++ b/src/main/resources/templates/benki/wiki/wikiPage.html
@@ -10,7 +10,7 @@
 
 {#head}
 <link rel="stylesheet" type="text/css" href="/web_modules/ContentTools/build/content-tools.min.css" />
-<script type="module" src="/web_modules/elix/define/ExpandablePanel.js" defer></script>
+<script type="module" src="/lib.js" defer></script>
 
 <style type="text/css">
   #warning-panel {