[web] introduce AppList

Summary:
This diff introduces the AppList component. The AppList component brings together all the other app list sub components to create the App List card

For context here is what the figma designs look like:

Linear task: https://linear.app/comm/issue/ENG-5962/create-new-app-list-card-section

Depends on D10470

Test Plan:
Please see the demo video below (please excuse the testing tooltip + blue calendar those are local changes that were not included in this diff)

Reviewers: atul, kamil, rohan

Reviewed By: atul

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D10471