Merge pull request #57 from jupyterlite/beta-0

Update to `jupyterlite==0.1.0b0`

Author: jtpio

requirements.txt

@@ -11,7 +11,7 @@ jupyterlab-fasta>=3,<4
 jupyterlab-geojson>=3,<4
 jupyterlab-tour
 jupyterlab_miami_nights
-jupyterlite==0.1.0a23
+jupyterlite==0.1.0b0
 jupyterlite-p5-kernel==0.1.0a12
 jupyterlite-xeus-lua==0.2.0
 jupyterlite-xeus-wren==0.1.2