remove some files

docs/assets/example/backlight.js

@@ -1,21 +0,0 @@
-var art = new Artplayer({
-    container: '.artplayer-app',
-    url: '/assets/sample/video.mp4',
-    autoSize: true,
-    light: true,
-    localVideo: true,
-    moreVideoAttr: {
-        crossOrigin: 'anonymous',
-    },
-    controls: [
-        {
-            name: 'open',
-            position: 'right',
-            html: 'Local Video',
-            mounted: $open => {
-                art.plugins.localVideo.attach($open);
-            },
-        },
-    ],
-    plugins: [artplayerPluginBacklight],
-});

docs/assets/example/github.js

@@ -1,68 +0,0 @@
-// 使用 Github Issues Api 做弹幕接口
-// 接口每小时限制 5000 次请求，勿滥用
-var danmuku = new ArtplayerToolGithub({
-    api: 'zhw2590582/github-issues-api-as-danmuku/issues/1',
-    clientID: '749a95aad589f8849abe',
-    clientSecret: '7bb6fa67ef6e525e5bd5fda46cd3925ecc4a3760',
-});
-
-var art = new Artplayer({
-    container: '.artplayer-app',
-    url: '/assets/sample/video.mp4',
-    autoSize: true,
-    controls: [
-        {
-            name: 'danmuku',
-            position: 'right',
-            html: '发送弹幕',
-            click: () => {
-                if (window.location.href.includes('code=')) {
-                    art.notice.show = '正在登陆中，请稍等！！！';
-                } else if (!danmuku.isLogin) {
-                    danmuku.login();
-                } else {
-                    var text = prompt('请输入：', '弹幕内容');
-                    if (!text || !text.trim()) return;
-                    if (text.length >= 20) {
-                        art.notice.show = '弹幕字数不能大于20字！！！';
-                        return;
-                    }
-                    if (danmuku.remaining <= 10) {
-                        art.notice.show = '接口请求到达上限，请稍后再试！！！';
-                        return;
-                    }
-                    art.notice.show = '弹幕发送中...';
-                    danmuku
-                        .send({
-                            text: text,
-                            time: art.player.currentTime,
-                            color: '#' + Math.floor(Math.random() * 0xffffff).toString(16),
-                        })
-                        .then(data => {
-                            art.notice.show = `发送弹幕成功: ${danmuku.remaining} / ${danmuku.limit}`;
-                            art.plugins.artplayerPluginDanmuku.emit({
-                                ...data,
-                                mode: 0,
-                                time: art.player.currentTime + 0.2,
-                                border: true,
-                            });
-                        })
-                        .catch(() => {
-                            art.notice.show = `发送弹幕失败: ${danmuku.remaining} / ${danmuku.limit}`;
-                        });
-                }
-            },
-        },
-    ],
-    plugins: [
-        artplayerPluginDanmuku({
-            danmuku: () => danmuku.load(),
-            speed: 5,
-            opacity: 1,
-            color: '#fff',
-            size: 25,
-            maxlength: 50,
-            margin: [10, 100],
-        }),
-    ],
-});