By Tassilo Hummel and Alasdair Pal PARIS (Reuters) – France and Germany have seized two superyachts owned by Russian oligarchs, according to French authorities and Forbes magazine, taking concrete steps to hit Russia’s super-rich under sweeping sanctions imposed on Moscow over its invasion of Ukraine. Meanwhile, at least five superyachts owned by Russian billionaires were anchored or cruising in the Maldives, an Indian Ocean island nation that has no extradition treaty with the United States, ship tracking data showed. The yachts arrived in the tropical archipelago off the coast of Sri Lanka a…