add pan zoom animation to app, with help text

src/i18n/source/app/app.json

@@ -34,5 +34,8 @@
       "saveAsPdf": "Save as PDF"
     }
   },
+  "panZoomAnimation": {
+    "helpText": "You can pan and zoom around the artboard at any time to get a closer look at your resume."
+  },
   "markdownHelpText": "You can use <1>GitHub Flavored Markdown</1> to style this section of the text."
 }