Added setup guide and launch tools

tools/launch/controller.example.ini

@@ -0,0 +1,12 @@
+[launcher]
+logs = logs
+
+[controller]
+bind = 0.0.0.0
+port = 8766
+; Paths are relative to THIS file. Reuse your existing database path when upgrading.
+database = state/arcade_room.sqlite3
+catalog = ../room_controller/catalog.json
+; Use your existing tokens. Leave blank if supplied via environment variables.
+operator_token =
+cabinet_tokens = {}