Add evscript for GUI testing/automation

jobs.yml

@@ -9,6 +9,10 @@ chatty:
   dists: ['buster+ci']
   branch: master
   deb_build_options: ['nocheck']
+evscript:
+  url: https://source.puri.sm/Librem5/evscript.git
+  dists: ['buster+ci']
+  branch: master
 flash-kernel:
   url: https://source.puri.sm/Librem5/flash-kernel.git
   archs: ['aarch64']