Resolve "Partner Page: Add DFN"

• Add DFN logo to the partnes page
• Rename International to National & International Partners

The order of logos is still subject to change.

Closes #32 (closed)

added 1 commit

• 46852c6b - Add DFN to the partners page

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unmarked as a Work In Progress

assigned to @jandt-desy

changed the description

merged

mentioned in commit ccb444ab