Add production dependencies

node_modules/gulp-copy/example/gulpfile.js

@@ -0,0 +1,27 @@
+var copy = require('../index');
+var gulp = require('gulp');
+var through = require('through2');
+
+gulp.task('default', copyFunction);
+
+function copyFunction() {
+    return gulp
+        .src([' ./files/.*', './files/*.*'])
+        .pipe(copy('output/test', { prefix: 1 }))
+        .pipe(verify());
+}
+
+function verify() {
+    var options = { objectMode: true };
+    return through(options, write, end);
+
+    function write(file, enc, cb) {
+        console.log('file', file.path);
+        cb(null, file);
+    }
+
+    function end(cb) {
+        console.log('done');
+        cb();
+    }
+}