Update and rename README to README.md

Author: moharaka

Diff for: README renamed to README.md

@@ -1,8 +1,15 @@
+# Introduction
+
 This repository will allow you compile pony programs using the esp-idf environment.
 
+# Requirements
+
 The esp-idf environment must already be installed. The "$IDF_PATH" must already be set.
 Additionally some of the existing tools use docker. So it needs to be installed.
 
+
+# Installation
+
 To install, simply execute the "install.sh" script. This script will do the following:
 
 1) Modify the esp-idf makefiles to take into account pony source files.