Add feedback

tg_server/tg_server.lua

@@ -112,15 +112,17 @@ elseif args[1] == "add_card" then
         local new_card = args[2]
         local new_card_parts = split(new_card, ',')
         local card_holder = new_card_parts[1]
+        local card_hash = hash(new_card)
 
-        local key_file = fs.open(card_holder..'.key', 'w')
+        local key_file = fs.open(card_hash..'.key', 'w')
         key_file.write(new_card)
         key_file.close()
 
         local trusted_keys = fs.open(dir..config.key_file, 'a')
-        local card_hash = hash(new_card)
         trusted_keys.write(card_hash)
         trusted_keys.close()
+
+        print("Created key "..card_hash..".key in root dir")
     end
 elseif args[1] == "remove_card" then
     if args[2] then