cmd/frontend: A static file server for the Upspin.io homepage
cmd/frontend: A static file server for the Upspin.io homepage

Change-Id: I5aad99e0350ae7172269b07c8c1ab165ccd352af
Reviewed-on: https://upspin-review.git.corp.google.com/1480
Reviewed-by: Rob Pike <4dc7c9ec434ed06502767136789763ec11d2c4b7@google.com>

upspin/upspin,upspin/upspin