Expose html-to-image to window for experimentation

Author: rossta

app/javascript/entrypoints/application.js

@@ -1,6 +1,8 @@
 import debug from 'debug';
 
 import '@hotwired/turbo-rails';
+import * as htmlToImage from 'html-to-image';
+
 import '../controllers';
 
 import {
@@ -47,3 +49,5 @@ registerServiceWorker();
 turboScrollSmoothWorkaround();
 
 window.channels = channels;
+
+window.htmlToImage = htmlToImage;