Add additional marker brushes (TMF3#371)

Ported over from https://github.com/Sniperhid/1tac_misc/tree/master/addons/tm_markers (Thanks @beaar)

Author: Freddo3000

addons/marker/CfgMarkerBrushes.hpp

@@ -0,0 +1,37 @@
+class CfgMarkerBrushes {
+    class BDiagonal;
+    class DiagGrid;
+    class FDiagonal;
+    class Grid;
+    class Horizontal;
+    class Vertical;
+    class Cross;
+    class GVARMAIN(BDiagonalBorder): BDiagonal {
+        drawBorder = true;
+        name = "Backward diagonal (Border)";
+    };
+    class GVARMAIN(DiagGridBorder): DiagGrid {
+        drawBorder = true;
+        name = "Grid diagonal (Border)";
+    };
+    class GVARMAIN(FDiagonalBorder): FDiagonal {
+        drawBorder = true;
+        name = "Forward diagonal (Border)";
+    };
+    class GVARMAIN(GridBorder): Grid {
+        drawBorder = true;
+        name = "Grid (Border)";
+    };
+    class GVARMAIN(HorizontalBorder): Horizontal {
+        drawBorder = true;
+        name = "Horizontal (Border)";
+    };
+    class GVARMAIN(VerticalBorder): Vertical {
+        drawBorder = true;
+        name = "Vertical (Border)";
+    };
+    class GVARMAIN(CrossBorder): Cross {
+        drawBorder = true;
+        name = "Cross (Border)";
+    };
+};

addons/marker/config.cpp

@@ -17,3 +17,4 @@ class cfgPatches
 
 #include "CfgEventHandlers.hpp"
 #include "Cfg3DEN.hpp"
+#include "CfgMarkerBrushes.hpp"