Switch to lrpc and use context to handle signals

api/update.go

@@ -1,12 +1,10 @@
 package api
 
-import "context"
-
 func (c *Client) WeatherUpdate() error {
-	return c.itdClient.Call(
-		context.Background(),
+	return c.client.Call(
+		"ITD",
 		"WeatherUpdate",
 		nil,
 		nil,
 	)
-}
+}