For Kim Kardashian and Kanye West, family vacation is just what the doctor ordered. After weeks of rumored marital troubles fueled by the rapper’s social media tirades, the duo seem to be on better terms after jetting off with kids North, 7, Saint, 4, Chicago, 2, and Psalm, 15 months, for a luxury getaway in the Dominican Republic. On Aug. 7, West, 43, shared a video on Twitter of himself dancing with his oldest child, and the reality star, 39, can be heard laughing in the background. Since their return to the U.S., West has been in “a great place,” a source tells Us. “He’s feeling creatively inspired and enjoying his family time.”…