Add Sponsor logos

[kcarini]

We have a first batch of sponsors close to ready to announce and need to get logos added to the website.

• [ ] Media Partner: GeoAwesome
• [ ] Institutional Partner: PT Space (need logo file)
• [ ] Level? AWS
• [ ] Bronze: Degas Limited (need logo)

@olafveerman when we get Degas and PT Space logos can you please add the links? And confirm the AWS level once that agreement is signed?

[olafveerman]

PT Space logos:

• English
• Portuguese