add node image conversion demo.

Author: bradgarropy

examples/node-transformations-effects/image-conversion.js

@@ -0,0 +1,12 @@
+require('dotenv').config()
+const cloudinary = require('cloudinary').v2;
+
+cloudinary.config({
+    cloud_name: process.env.CLOUDINARY_CLOUD_NAME,
+})
+
+const image = cloudinary.url("examples/shoes_kto0zb", {
+    fetch_format: "webp",
+})
+
+console.log(image)