Update1.4

It's update time! Here's what's new:

• Add "F" key to check suggestive UI,and "E" key is still collects and confirms.

• Divide elements into four different types, temporarily distinguished by color.

• Changed the texture of some terrain to make it look more coordinated and layered.

• Fix a bug where some buildings can be traversed.

• Added extra elements to enrich the game content.

• Add narrative text to the UI.