Improve readme

README.md

@@ -4,3 +4,30 @@ This is a framework for working with SQL transactions in a distributed network.
 transactions of multiple queries on different nodes and execute them later. 
 
 To ensure the reliability of the transactions a ledger using blockchain is used to keep track on ongoing transactions.
+
+
+## DBT Core
+The core library containing the DBTModule to include in your Ratpack application. 
+
+The DBT module can be added like so:
+```groovy
+bindings {
+    module (DBTModule) { config ->
+      config.ledger.remoteUrl = 'http://localhost:5050/ledger'
+      config.executor.remoteUrl = 'http://localhost:5050/executor'
+    }
+}
+```
+
+## DBT Demo
+
+Demo application for testing the transactions. 
+
+The demo application has a database with one table LOGS which you can use to insert and select data from.
+
+The demo can be run by running ``./gradlew :dbt-demo:run`` after which the demo is running on http://localhost:5050
+
+
+## DBT Test
+
+The test module contains all the integration tests for the module.