Improve video and padding in tabs

Views/Profile.js

@@ -72,6 +72,7 @@ let Profile = ({ navigation, route }) => {
                         keyExtractor={item => item._id || item.createdAt}
                         ListHeaderComponent={header}
                         refreshing={Posts.length === 0}
+                        initialNumToRender={2}
                         onRefresh={() => {
                             API.getPosts(route.params.profileid).then(setPosts);
                         }}