Merge branch 'develop' into codesandbox-ci

Author: trusktr

.github/semantic.yml

@@ -0,0 +1,4 @@
+titleAndCommits: true
+allowMergeCommits: true
+allowRevertCommits: true
+anyCommit: true

index.html

@@ -80,6 +80,7 @@
   </script>
   <script src="/lib/docsify.js"></script>
   <script src="/lib/plugins/search.js"></script>
+  <script src="/lib/plugins/emoji.js"></script>
   <script src="/lib/plugins/front-matter.js"></script>
   <script src="//unpkg.com/prismjs/components/prism-bash.min.js"></script>
   <script src="//unpkg.com/prismjs/components/prism-markdown.min.js"></script>