Add a new query to get faction side count.

utils/mp-server/query-scripts/08-factions-by-side-count.sql

@@ -0,0 +1,13 @@
+select player.FACTION, count(*) as SIDE_COUNT
+from wesnothd_game_info game
+inner join wesnothd_game_player_info player
+   on game.INSTANCE_UUID = player.INSTANCE_UUID
+  and game.GAME_ID = player.GAME_ID
+  and player.USER_ID != -1
+  and player.FACTION != ''
+where YEAR(game.START_TIME) = YEAR(CURRENT_DATE - INTERVAL 1 MONTH)
+  and MONTH(game.START_TIME) = MONTH(CURRENT_DATE - INTERVAL 1 MONTH)
+  and game.END_TIME is not NULL
+  and TIMESTAMPDIFF(MINUTE, game.START_TIME, game.END_TIME) > 5
+group by player.FACTION
+order by count(*) desc