readme update test

README.md

@@ -42,6 +42,7 @@ cd build
 - [pistache](http://pistache.io/quickstart)
 - [JSON for Modern C++](https://github.com/nlohmann/json/#integration): Please download the `json.hpp` file and
 put it under the model/nlohmann folder
+- [spdlog]  Copy the source [folder](https://github.com/gabime/spdlog/tree/master/include/spdlog) to your build tree and use a C++11 compiler.
 
 ## Namespaces
 org.openapitools.server.api