Version 2.7

A few changes to improve the mobile version, new rocket retreat action, a mini tutorial until you damage the enemy base and player buildings can no longer be destroyed.

• ✅ Hide the mouse cursor on mobile.
• ✅ Fix descriptions on mobile. Show it when you click on a building.
• ✅ Don’t spawn enemies until the played damaged the enemy base, as a small tutorial. 
• ✅ Make the arrows on the side white when you can control a ship, and make them animate when you press them down. 
• ✅ Add a exit button to cancel building mode. 
• ✅ Rocket retreat action, release control, the rocket continues to move forward in its current direction, and the camera returns to the base.
• ✅ Fix the scrolling bug when GUI elements lag behind. 
• ✅ Move the base core up 3 grids, so you can build behind it, and a few rows of walls in front. The base takes damage instead of the buildings the player built, aka no longer a slow and drawn out defeat.
• ✅ Bug when the ship selection marker moves slower when the screen scrolls back, and it overlaps a different shield slot and if you press launch in that frame you launch the ship even if it isn't ready or unlocked.