add FW cfg

cfg/main/fw_cfg.py

@@ -0,0 +1,24 @@
+Node('ft.config.sea.psi.ch',
+     'FW ILL furnace with W5 thermnocouple (1800 K), old power rack',
+)
+
+Mod('sea_main',
+    'frappy_psi.sea.SeaClient',
+    'main sea connection for fw.config',
+    config='fw.config',
+    service='main',
+)
+
+Mod('ts',
+    'frappy_psi.sea.SeaDrivable', '',
+    io='sea_main',
+    sea_object='tt',
+    rel_paths=['.', 'ts'],
+)
+
+Mod('t2',
+    'frappy_psi.sea.SeaReadable', '',
+    io='sea_main',
+    sea_object='tt',
+    rel_paths=['t2'],
+)