refactor:foramt views/component-demo

src/components/GithubCorner/index.vue

src/components/JsonEditor/index.vue

src/components/MarkdownEditor/index.vue

src/components/Screenfull/index.vue

src/components/SplitPane/Pane.vue

src/components/SplitPane/Resizer.vue

src/components/SplitPane/index.vue

src/components/Tinymce/index.vue

src/icons/index.js

src/mock/login.js

src/permission.js

src/router/index.js

src/store/modules/app.js

src/store/modules/user.js

src/styles/index.scss

src/utils/clipboard.js

src/views/components-demo/avatarUpload.vue

src/views/components-demo/backToTop.vue

src/views/components-demo/countTo.vue

src/views/components-demo/dndList.vue