Add NASA VITALS to the project listing

GitHub Issue #1545 - protontypes/open-sustainable-technology

Add NASA VITALS (https://github.com/nasa/VITALS) to the open sustainable technology listing.

VITALS is a NASA project that directly targets environmental sustainability. The project meets all listing criteria:

• Active and maintained
• Well documented
• Licensed with an open source license
• Shows usage from external parties

Follow the Contribution Guide at https://opensustain.tech/contributing/ for proper formatting and placement.