Added lua-language-server annotations

gridpoint.lua

@@ -2,17 +2,20 @@ require "point"
 require "config"
 
 -- Point table with grid-based coordinates
-GridPoint = Point:new()
+---@class GridPoint: Point
+GridPoint = Point
 
 -- Convert grid x, y to global x, y
+---@return Point
 function GridPoint:absolute()
-    return Point:new( 
+    return Point:new(
         self.x * Config.cellSize,
         self.y * Config.cellSize
     )
 end
 
 -- Same as coords, but converted to global coords
+---@return number, number
 function GridPoint:globalCoords()
     return self.x * Config.cellSize - Config.cellSize / 2, self.y * Config.cellSize - Config.cellSize / 2
 end