[12/10/2022]: Refactor External Links on page

[RealRichi3]

Description

External links should direct to a new browser tab when clicked instead to overiding the current opened browser tab.
We can also add the rel='noopener noreferrer' tag should be added to prevent phishing attacks like tabnabbing

Expected behavior

External links should direct to a new browser tab

Actual behavior

External links override current browser tab when clicked

How to reproduce

Go to https://oscsa-en-blog.netlify.app/
Click on any external link and observe

Similar issue can be found here

[RealRichi3]

I would like to take this issue