[chore] Hot Fix Examples Async/Await Execution

[lizard-boy]

What changed? Why?

• Our examples define async functions. Currently, they are not awaited which can result in the execution of the script completed before the promise resolves
• The examples are updated to properly handle the example function calls

Qualified Impact

[dakshgup]

@greptileai

[greptile-apps]

PR Summary

This pull request updates the example files in the src/examples directory to properly handle asynchronous function calls and improve error handling.

• Wrapped main function calls in immediately invoked async functions (IIFEs) with try-catch blocks in all example files
• Removed unnecessary await keyword from wallet.getDefaultAddress() in create_wallet.js
• Ensured proper awaiting of async functions to prevent premature script termination
• Improved error logging for better debugging and user feedback in all examples

_{4 file(s) reviewed, 1 comment(s)
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[greptile-apps]

style: Consider adding more detailed error logging, such as including the error stack trace