add script_tags helper

src/app.js

@@ -43,6 +43,16 @@ hbs.registerHelper('section', (name, options) => {
   this._sections[name] = options.fn(this);
   return null;
 })
+hbs.registerHelper('script_tags', (scripts, options) => {
+  if(!scripts) {
+    return null;
+  }
+  var result = [];
+  scripts.forEach((script)=>{
+    result.push(`<script src="${script}"></script>`)
+  })
+  return result.join('\n');
+})
 hbs.registerHelper("embeddedSvgFromPath", require('./lib/utils').embeddedSvgFromPath)
 hbs.registerHelper(require("./controllers/event").helpers)
 hbs.registerHelper(require("./controllers/eventlineup").helpers)

src/views/layouts/main.hbs

@@ -31,4 +31,5 @@
         </div>
     </div>
 </body>
+{{{script_tags scripts}}}
 </html>