Fix issue with drill form submission

Add error handling and logging to improve communication between the local node server and the local Flask server when submitting the drill form.

src/routes/api/drills/+server.js
- Add a try-catch block around the fetch request to handle any errors.
- Log any errors caught in the catch block to the console.
- Return a JSON response with an error message and status code 500 if an error is caught.
- Add a log statement before the fetch request to indicate that the request is being sent.
- Add a log statement after the fetch request to indicate that the response has been received.
app/routes/drills.py
- Add a try-except block around the request data processing to handle any errors.
- Log any errors caught in the except block to the console.
- Return a JSON response with an error message and status code 500 if an error is caught.
- Add a log statement at the beginning of the create_drill function to log the received request data.
- Add a log statement before returning the response to log the response data.

For more details, open the Copilot Workspace session.

austeane / qdrill