Allow require('culori') in package.json 'exports' field (#219)

* Fix CommonJS module import * Back /require CJS import

Author: azat-io

package.json

@@ -7,8 +7,11 @@
 "browser": "./bundled/culori.min.js",
 "jsdelivr": "./bundled/culori.umd.js",
 "exports": {
+".": {
+"require": "./bundled/culori.cjs",
+"import": "./src/index.js"
+},
 "./require": "./bundled/culori.cjs",
-".": "./src/index.js",
 "./css": "./src/bootstrap/css.js",
 "./all": "./src/bootstrap/all.js",
 "./fn": "./src/index-fn.js",