Add env.js file

This file exports all environment variables as a single object for convenient

Author: amirhoseinsalimi

env.js

@@ -0,0 +1,11 @@
+const dotenv = require("dotenv");
+
+const result = dotenv.config();
+
+if (result.error) {
+  throw result.error;
+}
+
+const { parsed: envs } = result;
+
+module.exports = envs;