added a readme file

Author: jbilander

README.md

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+h1. Prerequisites
+
+* Java SDK 9 Early Access (or later)
+* IntelliJ IDEA 2017.1 (or later with support for Java 9 modules)
+
+h1. Technologies used
+
+* JavaFX with Java 9
+* SQLite-native (as backend db, native libs included in sqlite-jdbc resources folder)
+* Xerial SQLite JDBC Driver (v. 3.20.0)
+
+h1. About
+
+This demo application is built to show you how you can structure your desktop JavaFX app similar to the [Robotlegs](http://www.robotlegs.org/) approach.
+The structure in this app is highly inspired by Yennick Trevels [blog post](http://yennicktrevels.com/blog/2013/10/15/javafx-structuring-your-application-overview/) 
+with using direct calls with interfaces over events because that makes it easier to follow the flow of your application. However this example does
+not use any dependency injection framework such as guice since I wanted to keep it as pure Java 9 as possible for instructional purposes.
+This app is also built with the new module approach in Java 9. The UI is built with pure Java code instead of using fxml since I prefer
+it that way giving me more control over my code. Also the UI is built to be resizable meaning the UI-components adapt their size when 
+the main application windows is being resized.
+
+h1. Backend
+
+SQLite with ([Xerial SQLite JDBC Driver](https://github.com/xerial/sqlite-jdbc)) is used as a backend with pure JDBC-calls for instructional purpose.
+The Xerial source is included as a module named *sqlite-jdbc* in the application.
+
+h1. ToDo
+
+* Add a logging framework module
+* Add jOOQ as a module (and switch from pure JDBC-calls)
+
+h1. Output
+
+The application creates and populates a JavaFx-structure-demo.db file under the user home directory, System.getProperty("user.home").
+
+h1. Screenshot of application
+
+<img src="https://github.com/jbilander/JavaFx-structure-demo/app_screenshot.png">
+
+h1. Usage
+
+* compile with Java 9 SDK
+* run with:
+> java -m com.example/com.example.Main
+