feat(schematable): support selection column

src/components/table/Table/Column.vue

@@ -180,6 +180,13 @@ export default {
         return this.renderExpandColumn(h, props)
       case 'asset':
         return this.renderAssetColumn(h, props)
+      case 'selection':
+        return h('el-table-column', {
+          props: {
+            type,
+            width: 50
+          }
+        })
       case 'tag':
         break
       case 'invoke':