doc: demo Report Portal

update ReadMe

README.md

@@ -1,13 +1,13 @@
-# Data entry app
+# Data entry app:
 
 [Live demo development branch](https://dhis2-data-entry.netlify.app/#/)
 
-## Global state
+## Global state:
 
 We're using use-query-params to store part of the app's state in the url query
 parameters. This allows users to bookmark and share specific states of the app.
 
-## Model overview
+## Model overview:
 
 The category model can be fairly confusing, so we've created a few diagrams to help explain and get an overview of how DHIS2 models are used in the app.