Added link to Aedifex to "Chapter 1: Getting started".

documentation/book/the_lux_programming_language/chapter_1.md

@@ -23,7 +23,7 @@ Lux uses a custom-made build tool named _Aedifex_ which is configured using a de
 
 To install Aedifex, go to https://github.com/LuxLang/lux/tree/master/shell and download either `lux.bat` or `lux.sh` depending on whether you're on Windows or Linux/Mac.
 
-Also download the `aedifex.jar` file, and place it (along with either of the scripts you downloaded) somewhere in your `PATH`.
+Also [download the aedifex.jar file](https://github.com/LuxLang/lux/releases/download/0.6.0/aedifex.jar), and place it (along with either of the scripts you downloaded) somewhere in your `PATH`.
 
 Now, you'll have access to the `lux` command, which allows you to run Aedifex to build and test Lux projects.