big updat:

- update dependencies
- add webp support and webp conversion for profile images

node_modules/gif.js/site/contents/code.md

@@ -0,0 +1,23 @@
+
+```javascript
+var gif = new GIF({
+  workers: 2,
+  quality: 10
+});
+
+// add a image element
+gif.addFrame(imageElement);
+
+// or a canvas element
+gif.addFrame(canvasElement, {delay: 200});
+
+// or copy the pixels from a canvas context
+gif.addFrame(ctx, {copy: true});
+
+gif.on('finished', function(blob) {
+  window.open(URL.createObjectURL(blob));
+});
+
+gif.render();
+
+```