Correct product controller

Author: 何惠民

src/main/java/cn/com/hellowood/dynamicdatasource/controller/ProduceController.java renamed to src/main/java/cn/com/hellowood/dynamicdatasource/controller/ProductController.java

@@ -18,7 +18,7 @@
 
 @RestController
 @RequestMapping("/product")
-public class ProduceController {
+public class ProductController {
 
     @Autowired
     private ProductService productService;