Feature/add failure threshold

[rixtrayker]

##Add failure threshold

this merge request adds a boolean flag shouldAlertDown depending on threshold value in case of 1
it should always be true

[what-the-diff]

PR Summary

• Introduced new variables for better monitoring
  Added threshold, retries, and shouldAlertDown variables to enhance the Monitor class's functionality.
• Refined address variable usage
  Updated the usage of the address variable in options for the request function call to increase code clarity (line 286).
• Added updateRetries() method
  Implemented a new method, updateRetries(), to manage the value of retries depending on whether the threshold has been reached or not (lines 420-431).

[qawemlilo]

@rixtrayker I think this is a great idea. Will merge and do some tests.

[qawemlilo]

Hey @rixtrayker , I have started working on integrating your pull requests. Sorry for the delays, I will update you when I publish a new release.

[qawemlilo]

Hey @rixtrayker - please have a look at the v0.8.1 release candidate.

I have made a changes to your pull request and added a new event for retries.

I changed the default value of shouldAlertDown to true since this is the current default behaviour.