Gmail birthday sender

[quinn-sasha]

Pull Request Template

script name - Gmail Birthday Sender

Brief about script
This script automatically sends birthday wishes via Gmail.
You just need to enter your information at beginning.

Issue no.(must) - #953

Self Check(Tick After Making pull Request)

• This issue was assigned to me.
• One Change in one Pull Request
• My file is in proper folder (Name of folder should be in lowercase with no space in between) (E.g. meet_schedular)
• I am following clean code and Documentation and my code is well linted with flake8.
• I have added README.md and requirements.txt (Include version numbers too e.g. pandas==0.0.1) with my script
• I have used REPO README TEAMPLATE (Necessary)
• Just including required dependencies in requirements.txt (Don't include Python version too)

If issue was not assigned to you Please don't make a PR. It will marked as invalid.

[quinn-sasha]

About flake8 linter error

This error is produced from other directories.
These errors should be fixed because other pull requests are blocked.