注冊接口
1.接口地址：
2.支持格式：json
3.請求方式：post
請求參數：
| Tables | Are | Cool |?
| ------------- |:-------------:| -----:|
| col 3 is | right-aligned | $1600 |
| col 2 is | centered | $12 |
| zebra stripes | are neat | $1 |
返回結果
{}