Adding default container around the app layout

[tnylea]

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[what-the-diff]

PR Summary

• Introduction of New Code Block in Layout
  In the layout of our application, a new section of code has been added into the app.blade.php file. This code addition results in a visual adjustment on the user interface; it centrally aligns the existing content with added padding. This change provides a cleaner, more balanced visual presentation to end users, enhancing their experience on the platform.