@PostMapping("addProxySelector")
    public ShenyuAdminResult addProxySelector(@RequestBody @Valid final ProxySelectorAddDTO proxySelectorAddDTO) {

        return ShenyuAdminResult.success(proxySelectorService.create(proxySelectorAddDTO), null);
    }
add proxy selectors.

@param proxySelectorAddDTO {@link ProxySelectorAddDTO}
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/ProxySelectorController.java