refactor:views/components

src/components/MDinput/index.vue

src/router/index.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

src/views/components-demo/dropzone.vue

src/views/components-demo/jsonEditor.vue

src/views/components-demo/markdown.vue

src/views/components-demo/mixin.vue

src/views/components-demo/splitpane.vue

src/views/components-demo/sticky.vue

src/views/components-demo/tinymce.vue

src/views/components/index.vue

src/views/components/mixin.vue

src/views/dashboard/admin/components/BoxCard.vue

src/views/dashboard/admin/components/PieChart.vue

src/views/dashboard/admin/components/RaddarChart.vue

src/views/dashboard/admin/index.vue

src/views/i18n-demo/index.vue