undo and redo adding new cropper library as it had a .git config from the original project

library/cropperjs/rollup.config.js

@@ -0,0 +1,50 @@
+const babel = require('rollup-plugin-babel');
+const pkg = require('./package');
+
+const now = new Date();
+const banner = `/*!
+ * Cropper.js v${pkg.version}
+ * https://github.com/${pkg.repository}
+ *
+ * Copyright (c) 2015-${now.getFullYear()} ${pkg.author.name}
+ * Released under the ${pkg.license} license
+ *
+ * Date: ${now.toISOString()}
+ */
+`;
+
+module.exports = {
+  // Export banner for PostCSS
+  banner,
+  input: 'src/js/cropper.js',
+  output: [
+    {
+      banner,
+      file: 'dist/cropper.js',
+      format: 'umd',
+      name: 'Cropper',
+    },
+    {
+      banner,
+      file: 'dist/cropper.common.js',
+      format: 'cjs',
+    },
+    {
+      banner,
+      file: 'dist/cropper.esm.js',
+      format: 'es',
+    },
+    {
+      banner,
+      file: 'docs/js/cropper.js',
+      format: 'umd',
+      name: 'Cropper',
+    },
+  ],
+  plugins: [
+    babel({
+      exclude: 'node_modules/**',
+      plugins: ['external-helpers'],
+    }),
+  ],
+};