message: Readme. Add TOC
diff: @@ -19,6 +19,20 @@ effective production level development. It's also light and has small memory foo
  ## High Level Overview
  +- [API Controller And Request Mapping](#api-controller-and-request-mapping)
  + * [Declare Endpoint](#declare-endpoint)
  + * [Add CORS for Endpoint](#add-cors-for-endpoint)
  + * [Endpoint with Authorization](#endpoint-with-authorization)
  +- [Swagger-UI Annotations](#swagger-ui-annotations)
  + * [Additional Endpoint Info](#additional-endpoint-info)
  +- [API Client - Retrofit / Feign Like Client](#api-client---retrofit--feign-like-client)
  + * [Declare Client](#declare-client)
  + * [Using API Client](#using-api-client)
  +- [Object Mapping](#object-mapping)
  + * [Declare DTO](#declare-dto)
  + * [Serialize DTO Using ObjectMapper](#serialize-dto-using-objectmapper)
  +
  +
  ### API Controller And Request Mapping
  For more info see [Api Controller](https://oatpp.io/docs/components/api-controller/)
  @@ -68,31 +82,6 @@ ENDPOINT("PUT", "/users/{userId}", putUser,
  }
  ```
  -### API Client - Retrofit / Feign Like Client
  -
  -For more info see [Api Client](https://oatpp.io/docs/components/api-client/)
  -
  -#### Declare Client
  -
  -```cpp
  -class UserService : public oatpp::web::client::ApiClient {
  -public:
  -
  - API_CLIENT_INIT(UserService)
  -
  - API_CALL("GET", "/users", getUsers)
  - API_CALL("GET", "/users/{userId}", getUserById, PATH(Int64, userId))
  -
  -};
  -```
  -
  -#### Using API Client
  -
  -```cpp
  -auto response = userService->getUserById(id);
  -auto user = response->readBodyToDto<dto::UserDto>(objectMapper);
  -```
  -
  ### Swagger-UI Annotations
  For more info see [Endpoint Annotation And API Documentation](https://oatpp.io/docs/components/api-controller/#endpoint-annotation-and-api-documentation)
  @@ -118,6 +107,31 @@ ENDPOINT("PUT", "/users/{userId}", putUser,
  }
  ```
  +### API Client - Retrofit / Feign Like Client
  +
  +For more info see [Api Client](https://oatpp.io/docs/components/api-client/)
  +
  +#### Declare Client
  +
  +```cpp
  +class UserService : public oatpp::web::client::ApiClient {
  +public:
  +
  + API_CLIENT_INIT(UserService)
  +
  + API_CALL("GET", "/users", getUsers)
  + API_CALL("GET", "/users/{userId}", getUserById, PATH(Int64, userId))
  +
  +};
  +```
  +
  +#### Using API Client
  +
  +```cpp
  +auto response = userService->getUserById(id);
  +auto user = response->readBodyToDto<dto::UserDto>(objectMapper);
  +```
  +
  ### Object Mapping
  For more info see [Data Transfer Object (DTO)](https://oatpp.io/docs/components/dto/).
  