[DOCS] Fix typo on saltproject.io

[leftsock]

Description
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

1- goto http://saltproject.io
2- see """It's data-drive orchestration and"""

Suggested Fix
What did you expect to see in the documentation that is missing or needs updating?

s/drive/driven/

Type of documentation
This could be Salt documentation, Salt modules, the Salt Repo or the Getting Started guide.

http://saltproject.io/index.html

Location or format of documentation
Insert page URL if applicable.

http://saltproject.io/index.html

Additional context
Add any other context or screenshots about the feature request here.

[welcome]

Hi there! Welcome to the Salt Community! Thank you for making your first contribution. We have a lengthy process for issues and PRs. Someone from the Core Team will follow up as soon as possible. In the meantime, here’s some information that may help as you continue your Salt journey.
Please be sure to review our Code of Conduct. Also, check out some of our community resources including:

• Community Wiki
• Salt’s Contributor Guide
• Join our Community Slack
• IRC on LiberaChat
• Salt Project YouTube channel
• Salt Project Twitch channel

There are lots of ways to get involved in our community. Every month, there are around a dozen opportunities to meet with other contributors and the Salt Core team and collaborate in real time. The best way to keep track is by subscribing to the Salt Community Events Calendar.
If you have additional questions, email us at saltproject@vmware.com. We’re glad you’ve joined our community and look forward to doing awesome things with you!