feat: add draggable kanban using vue-draggable (#625)

src/components/Kanban/index.vue

@@ -0,0 +1,89 @@
+<template>
+  <div class="board-column">
+    <div class="board-column-header">
+      {{headerText}}
+    </div>
+    <draggable
+      class="board-column-content"
+      :list="list"
+      :options="options">
+      <div class="board-item" v-for="element in list" :key="element.id">
+        {{element.name}} {{element.id}}
+      </div>
+    </draggable>
+  </div>
+</template>
+<script>
+import draggable from 'vuedraggable'
+
+export default {
+  name: 'dragKanban-demo',
+  components: {
+    draggable
+  },
+  props: {
+    headerText: {
+      type: String,
+      default: 'Header'
+    },
+    options: {
+      type: Object,
+      default() {
+        return {}
+      }
+    },
+    list: {
+      type: Array,
+      default() {
+        return []
+      }
+    }
+  }
+}
+</script>
+<style lang="scss">
+.board-column {
+  min-width: 300px;
+  min-height: 100px;
+  height: auto;
+  overflow: hidden;
+  background: #f0f0f0;
+  border-radius: 3px;
+
+  .board-column-header {
+    height: 50px;
+    line-height: 50px;
+    overflow: hidden;
+    padding: 0 20px;
+    text-align: center;
+    background: #333;
+    color: #fff;
+    border-radius: 3px 3px 0 0;
+  }
+
+  .board-column-content {
+    height: auto;
+    overflow: hidden;
+    border: 10px solid transparent;
+    min-height: 60px;
+    display: flex;
+    justify-content: flex-start;
+    flex-direction: column;
+    align-items: center;
+
+    .board-item {
+      cursor: pointer;
+      width: 100%;
+      height: 64px;
+      margin: 5px 0;
+      background-color: #fff;
+      text-align: left;
+      line-height: 54px;
+      padding: 5px 10px;
+      box-sizing: border-box;
+      box-shadow: 0px 1px 3px 0 rgba(0,0,0,0.2);
+    }
+  }
+}
+</style>
+