Add release script for Gitea

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Makefile

@@ -2,7 +2,7 @@ VERSION ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo dev)
 LDFLAGS := -s -w -X main.version=$(VERSION)
 TARGETS := linux/amd64 linux/arm64 darwin/amd64 darwin/arm64 windows/amd64
 
-.PHONY: build test dist clean
+.PHONY: build test dist release clean
 
 build:
 	go build -ldflags '$(LDFLAGS)' -o arr-tui ./cmd/arr-tui
@@ -22,5 +22,9 @@ dist:
 	done
 	cd dist && sha256sum arr-tui-* > SHA256SUMS
 
+# Publish the release for the tag at HEAD on Gitea (see scripts/release.sh).
+release:
+	scripts/release.sh
+
 clean:
 	rm -rf dist arr-tui