+ Added fast enable cmd description and a message after using it

_arena_lib/arena_callbacks.lua

@@ -148,6 +148,7 @@ end)
 
 arena_lib.on_enable("skywars", function(arena, pl_name)
   local fast_enable = pl_name:match("@") 
+  local arena_lib_translator = minetest.get_translator("arena_lib")
   pl_name = pl_name:gsub("@", "")
 
   if arena.treasures[1] == nil then
@@ -166,6 +167,8 @@ arena_lib.on_enable("skywars", function(arena, pl_name)
     skywars.save_nodes_with_inventories(arena)
   end
 
+  skywars.print_msg(pl_name, arena_lib_translator("Arena @1 successfully enabled", arena.name))
+
   return true
 end)
 

commands.lua

@@ -935,7 +935,10 @@ end, {
         - remove <arena name>
         - list
         - enable <arena name>
-        - fast enable <arena name>
+        - fast enable <arena name>: 
+            enables the arena without checking if there are nodes with inventories;
+            use this just if after disabling the arena you didn't add nodes with an
+            inventory (e.g. a chest or a furnace)
         - disable <arena name>