Add zipping the release binaries in the Makefile

Makefile

@@ -23,11 +23,17 @@ $(TTY_SENDER): $(TTY_SENDER_SRC) $(EXTRA_BUILD_DEPS)
 tty-server/assets_bundle.go: $(TTY_SERVER_ASSETS)
 	go-bindata --prefix frontend/public/ -o $@ $^
 
-dist: frontend $(TTY_SERVER_SRC) $(TTY_SENDER_SRC) $(EXTRA_BUILD_DEPS)
-	GOOS=linux go build -o tty_server.linux $(TTY_SERVER_SRC)
-	GOOS=darwin go build -o tty_server.darwin $(TTY_SERVER_SRC)
-	GOOS=linux go build -o tty_sender.linux $(TTY_SENDER_SRC)
-	GOOS=darwin go build -o tty_sender.darwin $(TTY_SENDER_SRC)
+# We only care about creating release binaries for the sender side
+dist: frontend tty_sender.linux.zip tty_sender.osx.zip
+
+%.zip: %
+	zip $@ $^
+
+tty_sender.osx: $(TTY_SENDER_SRC) $(EXTRA_BUILD_DEPS)
+	GOOS=darwin go build -o $@ $(TTY_SENDER_SRC)
+
+tty_sender.linux: $(TTY_SENDER_SRC) $(EXTRA_BUILD_DEPS)
+	GOOS=linux go build -o $@ $(TTY_SENDER_SRC)
 
 frontend: FORCE
 	cd frontend && npm run build && cd -