Update README.md

[AlexWick]

Added LiDaR info for Droneseed.co and added Cascadia Carbon Inc. info.

Checklist

• I reviewed 2 other open pull requests. Try to prioritize unreviewed PRs, but you can also add more comments to reviewed PRs. Go through the below list when reviewing. This requirement is meant to help make the project self-sustaining. Comment here which PRs you reviewed. You're expected to put a good effort into this and to be thorough. Look at previous PR reviews for inspiration.
• I read and followed the CONTRIBUTING guidelines.
• This pull request has a title in the format Add Company Name. Or Add Company1, Company2 and Company3 if it adds multiple companies.
  • ❌ Update README.md
  • ❌ Added Orbital Systems
  • ✅ Add Orbital Systems
  • ✅ Add Orbital Systems and Bulb
• I added entries in alphabetical order.
• The description is simple and doesn't contain unnecessary buzzwords. It needs to say what the company does, it's not a sales pitch.
  • ❌ Disruptive company developing cutting-edge AI-enabled solutions to provide farmers with a decision support system.
  • ✅ They use satellites to help farmers monitor crops and lower their emissions by reducing their nitrogen usage.