Bug Fix: rtrim was erroneously removing s in Models

[coolsam726]

• Use beforeLast instead of rtrim when generating resources
• Fixes [Bug]: Generated file does not respect configured path from nWidart package #127

[what-the-diff]

🎉 PR Summary 🚀

• Refreshing Model Namespace Extraction Method 😊
  We've updated our way of getting the $modelNamespace (a kind of "address" for certain parts of our code). Instead of using rtrim(), we now use beforeLast(). This change helps us ensure that we're correctly extracting the namespace, making the code much more reliable. Your confidence in our system is important to us! 👍