add scripts for manually packaging and releasing

scripts/environ.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+function check_tags() {
+	TAGS="$(git tag --points-at HEAD)"
+	if [ -n "$TAGS" ]; then
+		TAG=$(echo "$TAGS" | grep -E '^v[0-9]+.[0-9]+.[0-9]+$' | sort -V | tail -1)
+	else
+		echo "No release tag found"
+		return 1
+	fi
+}
+
+function package() {
+	PACKAGE_DIR="${PACKAGE_DIR:-package}"
+	mkdir "$PACKAGE_DIR" > /dev/null 2>&1
+
+	pushd backend
+	cargo build --release
+	cp -v target/release/nuchat ../package/
+	popd
+
+	pushd ui
+	npm ci
+	npm run build
+	cp -rv .output ../package/ui
+	popd
+	
+
+	OUT_FILE="${OUT_FILE:-package.tar.zst}"
+	if [ -f "$OUT_FILE" ]; then
+		rm "$OUT_FILE" > /dev/null 2>&1
+	fi
+
+	tar -cf - package/ | zstd -19 -T0 -o "${OUT_DIR}${OUT_FILE}"
+}
+