Added Empty sea map

Implemented Empty Sea Map as a key item.

2.5DHero/2.5DHero/Pokemon/Items/KeyItems/EmptySeaMap.vb

@@ -0,0 +1,16 @@
++Namespace Items.KeyItems
+ +
+ +    <Item(292, "Empty Sea Map")>
+ +    Public Class EmptySeaMap
+ +
+ +        Inherits KeyItem
+ +
+ +        Public Overrides ReadOnly Property Description As String = "A sea chart on an odd blue parchment showing a point in the open ocean."
+ +
+ +        Public Sub New()
+ +            _textureRectangle = New Rectangle(192, 264, 24, 24)
+ +        End Sub
+ +
+ +    End Class
+ +
+ +End Namespace