added gitignore

node_modules/gulp/lib/completion.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+
+module.exports = function(name) {
+  if (typeof name !== 'string') {
+    throw new Error('Missing completion type');
+  }
+  var file = path.join(__dirname, '../completion', name);
+  try {
+    console.log(fs.readFileSync(file, 'utf8'));
+    process.exit(0);
+  } catch (err) {
+    console.log(
+      'echo "gulp autocompletion rules for',
+      '\'' + name + '\'',
+      'not found"'
+    );
+    process.exit(5);
+  }
+};