BizHawkClient: Add BizHawkClient (#1978)

Adds a generic client that can communicate with BizHawk. Similar to SNIClient, but for arbitrary systems and doesn't have an intermediary application like SNI.

BizHawkClient.py

@@ -0,0 +1,9 @@
+from __future__ import annotations
+
+import ModuleUpdate
+ModuleUpdate.update()
+
+from worlds._bizhawk.context import launch
+
+if __name__ == "__main__":
+    launch()