Add finalized content to our services section

[jtorreggiani]

Each section should have a title, subtitle, expanded description, and an image.

• [ ] Engaged Research
• [ ] Collaborative Mentorship
• [ ] Applied Learning
• [ ] Capacity Building
• [ ] Career Pathways

[iliadeleon]

Content is ready as per Figma fies for Desktop and Mobile.

Below are screenshots of the default and expanded versions.

Let me know if you have any questions. Thanks!