Release 1.6.1

What's changed:

• refactor(utils): 🎨 remove the nodejs import protocol (10777de)
• docs(readme): 📝 update image link (338146d)
• test(vnpay): ✅ add tests for vnp_ExpireDate (ab8fae6)
• test(vnpay): ✅ add unit test for getBankList method (86abeb9)
• test(vnpay): ✅ add VNPay initialization tests and configurations (8f0a5ad)
• test(utils): ✅ add tests for parseDate function (0795cc7)
• chore: 🎨 update loggerFn to use arrow function syntax (f975947)
• refactor(vnpay): ♻️ using a single parameter as an object is preferred over multiple parameters (5b357ca)
• chore: 🎨 remove eslint and prettier settings (fb6ac23)

Full Changelog: 1.6.0...1.6.1