Added a brief application description

README.md

 RTFM-4-SURE SRP analysis example
 ================================
 
+# Description of the application
+
+The example system consists of three tasks with two shared resources.
+
+These are defined in `src/main.c`
+
+This file also contains a few assignments which aims to introduce both the tool and SRP-analysis.
+
+The build system handles the switching between "analysis" and "execution" stages via pre-processor macros.
+
+# Installation
+
 Install the following docker container
 
 ```
@@ -57,6 +69,7 @@ make bench
 After a successful run the output folder contains a database and scripts for parsing this database.
 
 
+
 SRP lab in d7020e
 ---------------