Add make release target

Author: vikin91

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build test lint clean validate-rules build-web release-build
+.PHONY: build test lint clean validate-rules build-web release-build release
 
 VERSION ?= $(shell cat VERSION 2>/dev/null || echo dev)
 BUILD_TIME ?= $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
@@ -14,8 +14,17 @@ build-web:
 
 release-build:
 	mkdir -p dist
-	GOOS=$(RELEASE_OS) GOARCH=$(RELEASE_ARCH) go build -o dist/metrics-analyzer-$(VERSION)-$(RELEASE_OS)-$(RELEASE_ARCH) ./cmd/metrics-analyzer
-	GOOS=$(RELEASE_OS) GOARCH=$(RELEASE_ARCH) go build -ldflags "$(WEB_LDFLAGS)" -o dist/web-server-$(VERSION)-$(RELEASE_OS)-$(RELEASE_ARCH) ./web/server
+	GOOS=$(RELEASE_OS) GOARCH=$(RELEASE_ARCH) go build -o dist/sma-$(VERSION)-$(RELEASE_OS)-$(RELEASE_ARCH) ./cmd/metrics-analyzer
+	GOOS=$(RELEASE_OS) GOARCH=$(RELEASE_ARCH) go build -ldflags "$(WEB_LDFLAGS)" -o dist/web-sma-$(VERSION)-$(RELEASE_OS)-$(RELEASE_ARCH) ./web/server
+
+release:
+	rm -rf dist
+	mkdir -p dist
+	RELEASE_OS=linux RELEASE_ARCH=amd64 $(MAKE) release-build
+	RELEASE_OS=darwin RELEASE_ARCH=arm64 $(MAKE) release-build
+
+	# calculate checksums
+	sha256sum dist/* > dist/checksums.txt
 
 test:
 	go test -v ./...