Show grant URL on Django flags page

[nfrgosselin]

User Story:
As an FDD admin
I want to have a link to the grant's detail page on the flag Django page
So that I can just click out to the grant detail page from the flag

Acceptance Criteria
GIVEN that I am on the Django page for a specific flag (example)
WHEN I look under the box with the Grant number
THEN I see a link to the grant's detail page (example)

Product & Design Links:

Tech Details:

Open Questions:

Notes/Assumptions:

[nfrgosselin]

LGTM