Remove dup library in mos.yml; cast 'value' to bool in Relay.Set()

src/rpc.c

@@ -90,7 +90,7 @@ static void rpc_relay_set_handler(struct mg_rpc_request_info *ri, void *cb_arg,
     return;
   }
 
-  relays_set_by_idx(idx, state);
+  relays_set_by_idx(idx, (bool) state);
   mg_rpc_send_responsef(ri, "{idx: %d, gpio: %d, state: %d}", idx, gpio, state);
 
   (void) cb_arg;