[ecore][cpp] add readme

Readme.md

@@ -0,0 +1,22 @@
+[![](https://img.shields.io/github/license/masagroup/soft.gen.svg)](https://github.com/masagroup/soft.gen/blob/master/LICENSE)
+![](https://img.shields.io/github/v/release/masagroup/soft.cpp)
+# Soft Cpp #
+
+Soft Cpp is an implementation of the EMF Ecore library in C++. This library is partially generated and referenced by the [Soft Cpp Generator](https://github.com/masagroup/soft.gen)
+
+Soft Cpp is part of [Soft](https://github.com/masagroup/soft) project
+
+# Installation #
+Only binary for VC 2019 are released for the moment and are available
+from the [project releases](https://github.com/masagroup/soft.gen/releases) page
+
+# Quick Build #
+Requirements:
+ - [Ant](https://ant.apache.org/)
+ - [Ant Contrib Taks](http://ant-contrib.sourceforge.net/)
+ - [VC 2019](https://visualstudio.microsoft.com/)
+
+Run in VC command line:
+```shell
+ant
+```