Update Windows build script to build daemon URL from package.json
Update Windows build script to build daemon URL from package.json

Before, it was using the DAEMON_URL file, which no longer exists.

lbryio/lbry-app,lbryio/lbry-electron,akinwale/lbry-app,akinwale/lbry-app,lbryio/lbry-app,akinwale/lbry-app,jsigwart/lbry-app,lbryio/lbry-electron,lbryio/lbry-electron,akinwale/lbry-app,jsigwart/lbry-app,jsigwart/lbry-app,jsigwart/lbry-app