[vendor page] Add new Focus Areas section

[mrose914]

The goal of the Focus Areas section is to help vendors position themselves in what they may be able to offer Cal-ITP but sharing our high-level goals.

[segacy1]

Icons here
stat.zip

Note: The bounding box for all three icons is 72x72, but the icons have different sizes and placements within the bounding box to make them look aligned with each other

On desktop, all three cards have the same fixed height. On mobile, the cards are stacked and the box hugs the content, making them different heights. Lmk if that's an issue for dev

[segacy1]

Updated icons:
focus areas.zip

Alt Tags:
Rider Experience: Circular badge of excellence with a star at the center.
Reduce Friction: Three rectangular building blocks that fit together seamlessly.
Streamline Operations: An efficient clock with speed lines behind it.