Important updates to improve experience for new players, especially at the start — DownhillMadness Steam update #71951

This update makes the game much more accessible to beginners, and streamlines the training and finding the first few levels to play, based on player feedback we've gotten. - Easier to find first levels, with arrows on the ground that show the right path to take so you can get started playing right away! Some players were having trouble understanding where to go at the beginning, but this should now be clear to everyone. - Added a text popup that gives a notification if you don't have enough trophy points to unlock a door in adventure mode, and shows many trophy points are needed to unlock it. - Also added overhead signs to "Menu Selection Area" to make it more clear what the purpose of the area is, and added a larger "EXIT" sign to the tutorial level. - Improved look of arcade high score trophy plinths display (centered text, added digit grouping) - Training area has been redone to be ea...