Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Database/DatabaseScripts/changes/0003_max_roomates.sql

@@ -0,0 +1,10 @@
+CREATE TRIGGER `fso_roommates_BEFORE_INSERT` BEFORE INSERT ON `fso_roommates` FOR EACH ROW BEGIN
+ IF (SELECT COUNT(*) FROM fso_roommates a WHERE NEW.avatar_id = a.avatar_id) > 0 THEN
+  SIGNAL SQLSTATE '45000'
+  SET MESSAGE_TEXT = 'Cannot be a roommate of more than one lot. (currently, will likely change in future.)';
+ END IF;
+ IF (SELECT COUNT(*) FROM fso_roommates a WHERE NEW.lot_id = a.lot_id) >= 8 THEN
+  SIGNAL SQLSTATE '45000'
+  SET MESSAGE_TEXT = 'Cannot have more than 8 roommates in a lot.';
+ END IF;
+END;