By Ann Wang and Fabian Hamacher TAIPEI (Reuters) – From tour guides to tattoo artists, some in Taiwan are taking shooting lessons for the first time in their lives as Russia’s invasion of Ukraine ratchets up anxiety at the prospect of giant neighbour China making a similar move on the democratic island. China’s growing military pressure on the island it claims as its own, combined with the conflict in Ukraine, has spurred debate about how to boost defences in Taiwan, which is weighing whether to extend compulsory military service. Since the war in Ukraine started three months ago, bookings hav…