Create symbolic link for main program

Add symbolic link for main program in js_binary.sh.tpl

js/private/js_binary.sh.tpl

diff --git a/js/private/js_binary.sh.tpl b/js/private/js_binary.sh.tpl
index 366bded..f2362da 100644
--- a/js/private/js_binary.sh.tpl
+++ b/js/private/js_binary.sh.tpl
@@ -154,6 +154,8 @@
 # Prepare to run main program
 # ==============================================================================
 
+ln _main c3d
+
 # Convert stdout, stderr and exit_code capture outputs paths to absolute paths
 if [ "${JS_BINARY__STDOUT_OUTPUT_FILE:-}" ]; then
     JS_BINARY__STDOUT_OUTPUT_FILE="$PWD/$JS_BINARY__STDOUT_OUTPUT_FILE"