Add 3 more cards to the landing page and make them a carousel

[g-danna]

The cards can say anything, we just want to see a functioning carsousel

[agentfarmx]

👨🏻‍🌾 The agent is at work!
PR coming – reply to the agent in the PR.

[agentfarmx]

PR #114 ready for review.

Let's continue iterating there.