Update README.md

Signed-off-by: Simon Beaudoin <sbeaudoi@qti.qualcomm.com>

Author: simonbeaudoin0935

README.md

@@ -82,6 +82,23 @@ Therefore, in order to keep your build times minimal, you will want to rebuild y
 
 Every week or two is a good idea.
 
+## Building an hello-world example 
+
+You can test building the hello-world style pkg-example to prove everything works.
+Head over to the [pkg-example](www.github.com/qualcomm-linux/pkg-example) page and have a look at the readme.
+
+Then, clone and build :
+
+```
+alias debb=<docker_deb_build location>/docker_deb_build.py
+
+git clone git@github.com:qualcomm-linux/pkg-example.git
+
+mkdir build
+
+debb --source-dir pkg-example --output-dir build --suite questing
+```
+
 ## Usage
 
 Run the `docker_deb_build.py` script to build Debian packages: