Add the username to the resource types card.

[YoussB]

Acceptance:

• [x] The username should be displayed below the resource type name, in the second row.
• [x] It should follow the 8pt grid.
• [x] the design should follow these styles (12px): https://www.figma.com/file/pmLRwbPKrwDAGn6XLDoUiA/Concourse-Resources?node-id=508%3A0