Change references from playground to cdn

.browsersync.js

@@ -18,14 +18,14 @@ module.exports = {
             "port": 8080
         }
     },
-    "files": [ "examples/playground/*"],
+    "files": [ "examples/cdn/*"],
     "index": "index.html",
     "watchOptions": {},
     "server": true,
     "proxy": false,
     "port": 3000,
     "middleware": false,
-    "serveStatic": ["examples/playground"],
+    "serveStatic": ["examples/cdn"],
     "ghostMode": {
         "clicks": true,
         "scroll": true,

website/src/examples/cdn.ejs

@@ -17,15 +17,15 @@ This example showcases sourcing an UMD dist build straight from a CDN.
 We're executing the following HTML snippet:
 </p>
 
-{% include_code app.html lang:html playground/src/html/app.htmls %}
-<% include playground/src/html/app.htmls %>
+{% include_code app.html lang:html cdn/src/html/app.htmls %}
+<% include cdn/src/html/app.htmls %>
 
 <p>
 We're sourcing the following JS snippet:
 </p>
 
-{% include_code app.js lang:js playground/src/js/app.js %}
-<script src="playground/static/js/app.js"></script>
+{% include_code app.js lang:js cdn/src/js/app.js %}
+<script src="cdn/static/js/app.js"></script>
 
 <p>
 : )

website/src/examples/dragdrop.md

@@ -6,7 +6,7 @@ order: 2
 
 > Drag & Drop
 
-<!-- Playground styles -->
+<!-- styles -->
 <link rel="stylesheet" href="dragdrop/static/css/style.css">
 
 <!-- Basic Uppy styles -->