code: hide script name

Author: jcs090218

eask

@@ -3,8 +3,9 @@
 const yargs = require("yargs");
 
 yargs
-  .usage("Usage: $0 <command> [options..]")
-  .commandDir("cmds")
+  .usage('Usage: eask <command> [options..]')
+  .scriptName('')
+  .commandDir('cmds')
   .showHelpOnFail(true)
   .help(
     'help',