Update v0.2.5 - Documentation updates for route handling clarification

1. Added clearer explanation in the "Handling Payment Notifications" section:
   Explicitly stated that the auto-registered routes are handled by the package's internal controller
   Clarified that users don't need to create these routes themselves
   Explained that these routes will dispatch events that can be listened for
2. Restructured the "Register the Routes" section in the test transaction example:
   Separated the route for initiating payment from the confirmation/return routes
   Added a "Note about routes" section explaining the difference between custom routes and auto-registered routes
   Provided guidance on when to use custom routes vs. auto-registered routes
   Created and pushed a new release (v0.2.5) with the message "Documentation updates for route handling clarification"