Add upload target to the Makefile and update the links

Author: rakyll

Makefile

@@ -4,3 +4,9 @@ release:
 	GOOS=windows GOARCH=amd64 go build -o ./bin/$(binary)_windows_amd64
 	GOOS=linux GOARCH=amd64 go build -o ./bin/$(binary)_linux_amd64
 	GOOS=darwin GOARCH=amd64 go build -o ./bin/$(binary)_darwin_amd64
+
+upload:
+	gsutil -m cp -r ./bin/* gs://hey-releases/
+
+release-upload: release upload
+

README.md

@@ -9,9 +9,9 @@ To preserve the name for its original owner, we renamed this project to hey.
 
 ## Installation
 
-* Linux 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64
-* Mac 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_darwin_amd64
-* Windows 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_windows_amd64
+  - Linux (amd64): https://storage.googleapis.com/hey-releases/hey_linux_amd64
+  - macOS (amd64): https://storage.googleapis.com/hey-releases/hey_darwin_amd64
+  - Windows (amd64): https://storage.googleapis.com/hey-releases/hey_windows_amd64
 
 ### Package Managers