Client: send join request with signed message to verify validity
diff --git a/core/client/Makefile b/core/client/Makefile
index 93b2ccf..4c39648 100644
--- a/core/client/Makefile
+++ b/core/client/Makefile
@@ -1,6 +1,7 @@
-run:
-	go run github.com/giolekva/pcloud/core/client/cmd/pcloud
+build:
+	go build -o pcloud github.com/giolekva/pcloud/core/client/cmd/pcloud
 
 aar: export ANDROID_SDK_ROOT=/Users/lekva/Library/Android/sdk/
 aar:
+	mkdir -p android/app/libs
 	go run gioui.org/cmd/gogio -target android -buildmode archive -o android/app/libs/pcloud.aar github.com/giolekva/pcloud/core/client/cmd/pcloud