message: Update 1.3.0.md
  Added note about Response::getBody()
diff: @@ -9,7 +9,7 @@ Contents:
  - [The New oatpp::String](#the-new-oatppstring)
  - [ConnectionPool::get() Timeout](#connectionpoolget-timeout)
  - [JSON Serializer Escape Flags](#json-serializer-escape-flags)
  -
  +- [Response::getBody()](#responsegetbody)
  ## The New oatpp::String
  @@ -118,3 +118,6 @@ Output:
  res='"https://oatpp.io/"' # solidus isn't escaped
  ```
  +## Response::getBody()
  +
  +`oatpp::web::protocol::http::outgoing::Response` has a new method `getBody()` to retreive the body of the response. This is handy for response interceptors.
  