editorial: enable caniuse (#694)

sidvishnoi · marcoscaceres · commit ee7385cfec33 · 2018-06-14T05:01:39.000-07:00
diff --git a/index.html b/index.html
@@ -67,6 +67,7 @@
         }]
       }],
       github: "https://github.com/w3c/manifest/",
+      caniuse: "web-app-manifest",
     };
     </script>
   </head>
