Link caniuse feature for <template> (#1189)

Author: foolip

features/template.yml

@@ -2,4 +2,5 @@ name: <template>
 description: The `<template>` HTML element holds HTML fragments which you can clone and insert into the document using JavaScript.
 spec: https://html.spec.whatwg.org/multipage/scripting.html#the-template-element
 group: html
+caniuse: template
 usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/2769