Add link to readme

README.md

@@ -2,6 +2,8 @@
 
 This is a QuPath extension for working with the Bioimage Model Zoo (https://bioimage.io).
 
+You can download the .jar file from [qupath-extension-bioimageio-0.1.0.jar](https://github.com/qupath/qupath-extension-bioimageio/releases/download/v0.1.0/qupath-extension-bioimageio-0.1.0.jar)
+
 It's early and experimental - subject to change in later releases.
 
 The main aim is to enable models kept in the Zoo to be imported into some QuPath-friendly form.
@@ -18,4 +20,4 @@ Only a subset of models are currently supported, partly because
 2. some models require accessing all the pixels in the image... but QuPath is designed for huge images, and doesn't easily support these kinds of global calculations yet
 
 As a result, applying the model in QuPath can sometimes give a different result to applying it in other software.
-The goal is to improve this in future releases.
+The goal is to improve this in future releases.