Added punjabi language in config.py

[AnupeshVerma]

Description

Put changes made - Added punjabi language in config.py issue #17

Type of change

Editing and adding new language

Please delete options that are not relevant. For the item that is relevant mark it completed as - [x] text here

• Bug fix (non-breaking change which fixes an issue)
• [ x] New feature (non-breaking change which adds functionality)
• [x ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

E.g.

• manually running the program on the localhost

Checklist:

Mark as completed - [x] text here

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

[TechWiz-3]

Thank you :)