docs(tree): 更改包描述

tree/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@sc/tree",
   "version": "1.0.14",
-  "description": "a template for npm package coding",
+  "description": "通用树",
   "main": "./dist/index.cjs.js",
   "module": "./dist/index.esm.js",
   "browser": "./dist/index.min.js",