Email warning if login fails more than 5 times

[arpit456jain]

Related Issuse

Email warning if login fails more than 5 times

Closes: #206

Describe the changes you've made

A clear and concise description of what you have done to successfully close your assigned issue. Any new files? or anything you feel to let us know!

Checklist:

• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.

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[arpit456jain]

@khannakshat7 you can check my feature its working very well and its very optimized

[arpit456jain]

@khannakshat7 please review this PR

[khannakshat7]

@arpit456jain I'll merge it by tomorrow

[arpit456jain]

@khannakshat7 is this feature working fine?