Adding checksum to update scripts

scripts/create-release.sh

@@ -21,8 +21,11 @@ fi
 
 cp slt.tar.gz "$outname"
 
+sha=$(sha512sum slt.tar.gz | cut -d' ' -f1)
+
 export VERSION="$TOTRELEASE"
 export FORMAT='tar.gz'
 export DOWNLOAD_URL="\$DL_PREFIX/$filename"
+export SUMS="<sha512>$sha</sha512>"
 
 cat res/update.template | envsubst > "$xmlname"