add flip icon

packages/artplayer-plugin-danmuku/src/img/danmu-config.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 22">
+    <path d="M16.5 8c1.289 0 2.49.375 3.5 1.022V6a2 2 0 00-2-2H4a2 2 0 00-2 2v10a2 2 0 002 2h7.022A6.5 6.5 0 0116.5 8zM7 13H5a1 1 0 010-2h2a1 1 0 010 2zm2-4H5a1 1 0 010-2h4a1 1 0 010 2z"></path>
+    <path d="M20.587 13.696l-.787-.131a3.503 3.503 0 00-.593-1.051l.301-.804a.46.46 0 00-.21-.56l-1.005-.581a.52.52 0 00-.656.113l-.499.607a3.53 3.53 0 00-1.276 0l-.499-.607a.52.52 0 00-.656-.113l-1.005.581a.46.46 0 00-.21.56l.301.804c-.254.31-.456.665-.593 1.051l-.787.131a.48.48 0 00-.413.465v1.209a.48.48 0 00.413.465l.811.135c.144.382.353.733.614 1.038l-.292.78a.46.46 0 00.21.56l1.005.581a.52.52 0 00.656-.113l.515-.626a3.549 3.549 0 001.136 0l.515.626a.52.52 0 00.656.113l1.005-.581a.46.46 0 00.21-.56l-.292-.78c.261-.305.47-.656.614-1.038l.811-.135A.48.48 0 0021 15.37v-1.209a.48.48 0 00-.413-.465zM16.5 16.057a1.29 1.29 0 11.002-2.582 1.29 1.29 0 01-.002 2.582z"></path>
+</svg>

packages/artplayer-plugin-danmuku/src/setting.js

@@ -1,5 +1,6 @@
 import danmuOn from 'bundle-text:./img/danmu-on.svg';
 import danmuOff from 'bundle-text:./img/danmu-off.svg';
+import danmuConfig from 'bundle-text:./img/danmu-config.svg';
 
 export default function setting(art, danmuku) {
     const { addClass, append, setStyle, tooltip } = art.constructor.utils;
@@ -16,6 +17,7 @@ export default function setting(art, danmuku) {
 
     const $danmuOn = getIcon(danmuOn, 'danmu-on');
     const $danmuOff = getIcon(danmuOff, 'danmu-off');
+    const $danmuConfig = getIcon(danmuConfig, 'danmu-config');
 
     art.on('ready', () => {
         art.controls.add({
@@ -45,6 +47,8 @@ export default function setting(art, danmuku) {
         art.setting.add({
             name: 'danmuku',
             html: '弹幕设置',
+            tooltip: '更多',
+            icon: $danmuConfig,
             selector: [
                 {
                     width: 200,