Create category pledges page

[DuaaH]

6

category page includes image, description and top three pledges.

Acceptance Criteria:

• [ ] category name

• [ ] image for this category

• [ ] description

• [ ] 3 pledges

• [ ] image for all pledges

• [ ] name and description for all pledges

• [ ] the number of people made this pledges

• [ ] back button

• react route: '/dashboard/actionCategory'

• api route: /api/actionCategory/categoryId