add book.js

node_modules/lodash/string/capitalize.js

@@ -0,0 +1,21 @@
+var baseToString = require('../internal/baseToString');
+
+/**
+ * Capitalizes the first character of `string`.
+ *
+ * @static
+ * @memberOf _
+ * @category String
+ * @param {string} [string=''] The string to capitalize.
+ * @returns {string} Returns the capitalized string.
+ * @example
+ *
+ * _.capitalize('fred');
+ * // => 'Fred'
+ */
+function capitalize(string) {
+  string = baseToString(string);
+  return string && (string.charAt(0).toUpperCase() + string.slice(1));
+}
+
+module.exports = capitalize;