Adding Fatal if cannot launch tor in app

app/cli/main.go

@@ -179,6 +179,9 @@ func main() {
 	}
 
 	app, err = app2.NewApp(path.Join(usr.HomeDir, ".cwtch"), torPath)
+	if err != nil {
+		log.Fatalf("Error initializing application: %v", err)
+	}
 	var history []string
 	for !quit {
 		profile := "unset"