README: Document the purpose of the two jars built by Nix

Author: ibbem

README.md

@@ -68,7 +68,7 @@ nix build # Flake version
 ```
 In case you are using Nix Flakes, you can skip cloning the repository as usual: `nix build github:VariantSync/DiffDetective#.`
 
-Afterward, the [result](result) symlink points to the [Javadoc](result/share/github-pages/DiffDetective/docs/javadoc/index.html), the [DiffDetective jar](result/share/java/DiffDetective/DiffDetective.jar) and a simple [script](result/bin/DiffDetective) for executing a DiffDetective main class provided as argument (e.g., evaluations used in previous research, see below under 'Publications').
+Afterward, the [result](result) symlink points to the [Javadoc](result/share/github-pages/DiffDetective/docs/javadoc/index.html), a [DiffDetective jar for use as a library](result/share/java/DiffDetective.jar), a [self contained DiffDetective jar with all dependencies included](result/share/java/DiffDetective/DiffDetective-jar-with-dependencies.jar) and a simple [script](result/bin/DiffDetective) for executing a DiffDetective main class provided as argument (e.g., evaluations used in previous research, see below under 'Publications').
 
 
 ## How to Get Started