[P&P] Folders rearrangement

[vetall812]

Summary

• added 4 more background for high objects
• all backgrounds moved into separate spritesheet. So now tileset brightness is customisable on client side
• weather separated from mission icons
• uknown tiles for the weater screen moved into separate tilesheet
• now weather brightness can be customised on the client side

Content of the change

Testing

As you can see - composed tileset now can be customised by changing brightess for whole tilesheets (first and two last files)

Additional information