In the homepage, the Projects button redirects to non existent community

[isabelcosta]

Describe the bug

When clicking on PROJECTS section on the homepage of https://www.oscafrica.org/, I get redirected to a non-existent organization on GitHub (probably because the old name of the organization was oscommunityafrica and now is oscafrica)

To Reproduce
Steps to reproduce the behavior:

1. Go to https://www.oscafrica.org/
2. Click on 'Projects'
3. See redirection to https://github.com/oscommunityafrica community

Expected behavior

Be redirected to https://github.com/oscafrica instead of https://github.com/oscommunityafrica

Screenshots

Clicking on "PROJECTS" section:

I get redirected to:

Desktop (please complete the following information):

• OS:
• Browser: Chrome
• Version: Any

Additional context

This bug can be fixed on index.html.
An awesome issue for a newbie at open source :)

[NARUDESIGNS]

I'm a newbie at open source and i just submitted my first pull request on this issue.