chore: convert build workflow to makefile

Makefile

@@ -0,0 +1,73 @@
+# SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+app_name=calendar_resource_management
+
+project_dir=$(CURDIR)
+build_dir=$(CURDIR)/build/artifacts
+appstore_dir=$(build_dir)/$(app_name)
+package_name=$(build_dir)/$(app_name).tar.gz
+
+# Tools (override on the command line if needed, e.g. `make composer-install COMPOSER=composer2`)
+COMPOSER=composer
+NPM=npm
+
+.PHONY: all
+all: build
+
+# Install all dependencies and build the production frontend assets.
+.PHONY: build
+build: composer-install build-js-production
+
+# PHP runtime dependencies only (no dev tooling ends up in the package).
+.PHONY: composer-install
+composer-install:
+	$(COMPOSER) install --no-dev --prefer-dist --optimize-autoloader
+
+# Compile the frontend bundle into js/.
+.PHONY: build-js-production
+build-js-production:
+	$(NPM) ci
+	$(NPM) run build --if-present
+
+# Remove all build output.
+.PHONY: clean
+clean:
+	rm -rf $(build_dir)
+
+# Assemble a clean copy of the app and package it for the Nextcloud App Store.
+# NOTE: this only packages what is already present in the working tree. Run
+# `make build` (or the CI build steps) first so js/ and vendor/ are populated.
+.PHONY: appstore
+appstore: clean
+	mkdir -p $(appstore_dir)
+	rsync -a \
+	  --exclude='/build' \
+	  --exclude='/.git' \
+	  --exclude='/.github' \
+	  --exclude='/.git-blame-ignore-revs' \
+	  --exclude='/.gitignore' \
+	  --exclude='/node_modules' \
+	  --exclude='/src' \
+	  --exclude='/tests' \
+	  --exclude='*.cache' \
+	  --exclude='*.log' \
+	  --exclude='*.log.*' \
+	  --exclude='/renovate.json' \
+	  --exclude='/REUSE.toml' \
+	  --exclude='/eslint.config.mjs' \
+	  --exclude='/stylelint.config.js' \
+	  --exclude='/vite.config.mjs' \
+	  --exclude='/tsconfig.json' \
+	  --exclude='/phpstan.neon' \
+	  --exclude='/.php-cs-fixer.dist.php' \
+	  --exclude='/.php-cs-fixer.cache' \
+	  --exclude='/package.json' \
+	  --exclude='/package-lock.json' \
+	  --exclude='/composer.json' \
+	  --exclude='/composer.lock' \
+	  --exclude='/vendor/bin' \
+	  --exclude='/vendor-bin' \
+	  --exclude='/Makefile' \
+	  $(project_dir)/ $(appstore_dir)/
+	tar -czf $(package_name) -C $(build_dir) $(app_name)