added node modules back to the example bot, so it exports with the required modules

node_modules/semver/ranges/ltr.js

@@ -0,0 +1,4 @@
+const outside = require('./outside')
+// Determine if version is less than all the versions possible in the range
+const ltr = (version, range, options) => outside(version, range, '<', options)
+module.exports = ltr