Modify error handling and logging mechanism

[sweep-ai[bot]]

Description

This PR modifies the error handling and logging mechanism in the fluere project to improve stability and provide better error reporting. The changes include:

• Replacing panic calls with proper error handling using Result types and custom error messages.
• Modifying the logger to create a new log file for each run by appending a timestamp to the log file name.
• Handling the Result types returned from the net module functions in the main.rs file and exiting the program gracefully with error messages.

Summary of Changes

• Modified src/net/packet_pnet.rs:
  • Replaced panic calls with proper error handling using Result types.
  • Customized error messages in the Snafu error definitions.
• Modified src/utils/log.rs:
  • Modified the new function to create a new log file for each run by appending a timestamp to the log file name.
• Modified src/main.rs:
  • Handled the Result types returned from the net module functions.
  • Printed error messages and exited the program gracefully in case of errors.

Fixes #31.

---

To checkout this PR branch, run the following command in your terminal:

git checkout {pull_request.branch_name}

---

🎉 Latest mprovements to Sweep:

• Getting Sweep to format before committing! Check out Sweep Sandbox Configs to set it up.
• We launched our browser extension making it faster to make Sweep issues.
• We released a demo of our chunker, where you can find the corresponding blog and code.

---

💡 To get Sweep to edit this pull request, you can:

• Leave a comment below to get Sweep to edit the entire PR
• Leave a comment in the code will only modify the file
• Edit the original issue to get Sweep to recreate the PR from scratch