Upload artifacts

Upload build artifacts to the server of @ranlvor. This allows viewing the build results in a webbrowser
and eases continuous deployment because one can just deploy the artifacts travis has built and does
not have to build them somewhere else

travis.sh

@@ -1,9 +1,11 @@
 #!/bin/sh -e
 yarn lint
+mkdir artifacts
 for conf in $(ls config/); do
   if [ "$conf" = "utils.js" ]; then
     continue
   fi
   yarn build $conf
   yarn production-build $conf
+  mv dist artifacts/$conf
 done