Add files via upload

build/sign.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+args=("$(wslpath -w "$(dirname "$0")/sign.cmd")")
+for arg in "$@"; do
+	case "$arg" in
+		*/*) args+=("$(wslpath -w "$arg")") ;;
+		*)   args+=("$arg") ;;
+	esac
+done
+exec cmd.exe /c "${args[@]}"