Add a favicon to the Wasm build

...to avoid "GET http://localhost:6931/favicon.ico 404 (File not found:
instdir/program/favicon.ico)" errors in the browser console.  The checked-in
static/emscripten/favicon.ico is a copy of
<https://www.libreoffice.org/themes/libreofficenew/favicon.ico>.

Change-Id: Ib40b3f159879cc39244bd81d7fc8a36cc8c7184a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163827
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>

0 files changed, 0 insertions, 0 deletions