Add Linux arm64 builds (#59)

Signed-off-by: Jacob Tomlinson <[email protected]>

Makefile

@@ -20,9 +20,10 @@ build: ## Build for the current platform
 package: ## Build for all platforms
 	env GOOS=windows GOARCH=amd64 go build -o bin/$(EXECUTABLE)_windows_amd64.exe $(GO_FLAGS) .
 	env GOOS=linux GOARCH=amd64 go build -o bin/$(EXECUTABLE)_linux_amd64 $(GO_FLAGS) .
+	env GOOS=linux GOARCH=arm64 go build -o bin/$(EXECUTABLE)_linux_arm64 $(GO_FLAGS) .
 	env GOOS=darwin GOARCH=amd64 go build -o bin/$(EXECUTABLE)_darwin_amd64 $(GO_FLAGS) .
 	env GOOS=darwin GOARCH=arm64 go build -o bin/$(EXECUTABLE)_darwin_arm64 $(GO_FLAGS) .
-	@echo built:  bin/$(EXECUTABLE)_windows_amd64.exe, bin/$(EXECUTABLE)_linux_amd64, bin/$(EXECUTABLE)_darwin_amd64, bin/$(EXECUTABLE)_darwin_arm64
+	@echo built:  bin/$(EXECUTABLE)_windows_amd64.exe, bin/$(EXECUTABLE)_linux_amd64, bin/$(EXECUTABLE)_linux_arm64, bin/$(EXECUTABLE)_darwin_amd64, bin/$(EXECUTABLE)_darwin_arm64
 	@echo version: $(VERSION)
 	@echo commit: $(COMMIT)