Show vdn-drone help

bin/vdn-drone

@@ -40,6 +40,17 @@ usage() {
   exit 1
 }
 
+for arg; do
+  case "$arg" in
+    '-h')
+      help; exit
+      ;;
+    --)
+      break
+      ;;
+  esac
+done
+
 test -f .drone.yml || error 'Aucun fichier drone.yml trouvé'
 
 vdn-set-network-dir docker