修改项目包名为six-shop/app

Signed-off-by: runphp <runphp@qq.com>

composer.json

@@ -1,5 +1,5 @@
 {
-    "name": "topthink/think",
+    "name": "six-shop/app",
     "description": "the new thinkphp framework",
     "type": "project",
     "keywords": [