Update bot-info logic

Author: Humblemonk

src/dice_maiden_logic.rb

@@ -537,7 +537,7 @@ def check_bot_info(event)
       return true
     end
     servers = $db.execute 'select sum(server_count) from shard_stats;'
-    shards = $db.execute 'select sum(shard_id) from shard_stats;'
+    shards = $db.execute 'select max(shard_id) from shard_stats;'
     total_shards = shards.join.to_i + 1
     total_mem = $db.execute 'select sum(mem) from shard_stats;'
     event.respond(content: "| Dice Maiden | - #{servers.join.to_i} active servers across #{total_shards} shards using #{total_mem.join.to_i.round / 1024}GB of ram")