add icon and name

gems_2/init.lua

@@ -4,6 +4,8 @@ if not minetest.get_modpath("lib_chatcmdbuilder") then
 end
 
 arena_lib.register_minigame("gems_2", {
+    name = "Gems (2 Team)",
+    icon = "item_ruby.png",
 
     prefix = "[Gems]",
     show_minimap = true,
@@ -88,4 +90,4 @@ dofile(minetest.get_modpath("gems_2") .. "/auto.lua")
       privs = {
           gems_admin = true
       },
-  })
+  })

gems_4/init.lua

@@ -9,7 +9,8 @@ end
 
 
 arena_lib.register_minigame("gems_4", {
-
+    name = "Gems (4 Team)",
+    icon = "item_ruby.png",
     prefix = "[Gems]",
     show_minimap = true,
     teams = {
@@ -98,4 +99,4 @@ ChatCmdBuilder.new("gems_4", function(cmd)
           gems_admin = true
       },
   })
-  
+