Drop captured go stones when capturing

rules.lua

@@ -190,15 +190,27 @@ function lc_liberties.handle_placement(pos)
     end
 
     if captured then
+        local removed_items = {} -- key = name, value = count
         for i,v in pairs(captureses) do
             if v.capture then
                 local proximal = {}
 
                 for i2, v2 in pairs(v.stones) do
+                    local old = minetest.get_node(v2).name
+                    removed_items[old] = (removed_items[old] or 0) + 1
+
                     nodecore.set_loud(v2, {name = "nc_fire:fire"})
                 end
-
-                -- todo: spawn itemstack of captured stones somehow
+            end
+        end
+        for k, v in pairs(removed_items) do
+            local max = minetest.registered_items[k].stack_max
+            while v > max do
+                nodecore.item_eject(pos, k .. " " .. max)
+                v = v - max
+            end
+            if v > 0 then
+                nodecore.item_eject(pos, k .. " " .. v)
             end
         end
     else