designsystem: Mention JsJob and finitedomain

Author: jonnor

blueprint/designsystem.apib

@@ -22,7 +22,7 @@ using the mechanism below.
 
 # API
 
-A design system is deployed as a `.js` file, and runs sandboxed in a browser.
+A design system is deployed as a `.js` file, and runs sandboxed in a browser using [JsJob](https://github.com/the-grid/jsjob).
 On the server-side this is PhantomJS (with function.bind polyfill),
 on client-side it runs in a WebWorker (no access to DOM).
 
@@ -111,6 +111,7 @@ Several of these are already open source:
 - [imgflo](http://imgflo.org), on-demand server-side image processing.
 Helpers: [RIG](https://github.com/the-grid/rig) and [imgflo-url](https://github.com/the-grid/imgflo-url)
 - [Grid Object Model](https://github.com/the-grid/gom) (GOM), HTML templating and transformations
+- [finitedomain](https://github.com/the-grid/finitedomain), High-performance finite domain solver
 - [Flowerflip](https://github.com/the-grid/Flowerflip), Promise-based finite-domain constraint solver
 - [Regimen](https://github.com/the-grid/regimen), Chai.js-based expectations for item/block consumption