improve demo tasks, add a live server and update readme

README.md

@@ -2,17 +2,37 @@
 
 This is a POC, not at all production ready code!!!
 
+## Installation
+
+```
+npm install
+```
 
 ## Tests
 
+```
 npm run test
 npm run test:watch
-
+```
 ## Build code bundles
 
+```
 npm run bundle:core
 npm run bundle:core:watch
+```
 
 ## Demo page
 
-npm run demo
+There are three commands that can be used to play with the demo application:
+
+```
+npm run demo:build
+npm run demo:watch
+npm run demo:serve
+```
+
+- *build* prepare a folder with all the static files compiled. It is located in
+  dist/demo
+- *watch* recompile the typescript files as soon as they are changed
+- *serve* starts a live-server pointing to the dist/demo (which will reload the
+  page whenever the files are changed)