Step by step guide for absolute beginners to contribute.

As a beginner,
I need a complete beginner's guide on how to proceed on their first issue,
so that I can break the hesitation that the beginners have which makes them reluctant to contribute.

Required items:

1. A BEGINNER_GUIDE.md file with step by step guide.
2. Step by step git commands for setting repository locally.
3. Creating a pull request.
4. Relevant links to documentation.
5. What to do if get stuck.

Definition of Done

• All of the required items are completed.
• Approval by 1 mentor.

Estimation

12 hours