add subtitle

src/icons/index.js

@@ -4,6 +4,7 @@ import play from './play.svg';
 import pause from './pause.svg';
 import volume from './volume.svg';
 import volumeClose from './volume-close.svg';
+import subtitle from './subtitle.svg';
 
 const icons = {
   loading,
@@ -11,7 +12,8 @@ const icons = {
   play,
   pause,
   volume,
-  volumeClose
+  volumeClose,
+  subtitle
 };
 
 function creatDomFromSvg(map) {

src/icons/subtitle.svg

@@ -0,0 +1,4 @@
+<svg style="width: 100%; height: 100%" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
+    <path d="M0 0h48v48H0z" fill="none"/>
+    <path d="M40 8H8c-2.21 0-4 1.79-4 4v24c0 2.21 1.79 4 4 4h32c2.21 0 4-1.79 4-4V12c0-2.21-1.79-4-4-4zM8 24h8v4H8v-4zm20 12H8v-4h20v4zm12 0h-8v-4h8v4zm0-8H20v-4h20v4z"/>
+</svg>