Add support for darwin/arm64 (#411)

Author: nateinaction

Makefile

@@ -34,8 +34,12 @@ VERSION_PACKAGE := $(REPOPATH)/pkg/version
 ifeq ($(GOARCH), amd64)
 SUPPORTED_PLATFORMS := linux-$(GOARCH) darwin-$(GOARCH) windows-$(GOARCH).exe
 else
+ifeq ($(GOARCH), arm64)
+SUPPORTED_PLATFORMS := linux-$(GOARCH) darwin-$(GOARCH)
+else
 SUPPORTED_PLATFORMS := linux-$(GOARCH)
 endif
+endif
 
 GO_LDFLAGS :="
 GO_LDFLAGS += -X $(VERSION_PACKAGE).version=$(VERSION)