Adding Makefile to generate appstore zip

Makefile

@@ -0,0 +1,58 @@
+# Makefile for building the project
+
+app_name=mail
+project_dir=$(CURDIR)/../$(app_name)
+build_dir=$(CURDIR)/build/artifacts
+appstore_dir=$(build_dir)/appstore
+source_dir=$(build_dir)/source
+package_name=$(app_name)
+
+all: dist
+
+clean:
+	rm -rf $(build_dir)
+
+update-composer:
+	rm -f composer.lock
+	git rm -r vendor
+	composer install --prefer-dist
+
+appstore: clean
+	mkdir -p $(appstore_dir)
+	tar cvzf $(appstore_dir)/$(package_name).tar.gz $(project_dir) \
+	--exclude-vcs \
+	--exclude=$(project_dir)/build \
+	--exclude=$(project_dir)/build/artifacts \
+	--exclude=$(project_dir)/js/node_modules \
+	--exclude=$(project_dir)/js/.bowerrc \
+	--exclude=$(project_dir)/.jshintrc \
+	--exclude=$(project_dir)/.jshintignore \
+	--exclude=$(project_dir)/.travis.yml \
+	--exclude=$(project_dir)/.scrutinizer.yml \
+	--exclude=$(project_dir)/phpunit*xml \
+	--exclude=$(project_dir)/Makefile \
+	--exclude=$(project_dir)/tests \
+	--exclude=$(project_dir)/l10n/.tx \
+	--exclude=$(project_dir)/l10n/no-php \
+	--exclude=$(project_dir)/vendor/bin \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/.gitattributes \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/Doxyfile \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/FOCUS \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/INSTALL* \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/NEWS \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/phpdoc.ini \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/README \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/TODO \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/VERSION \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/WHATSNEW \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/WYSIWYG \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/art \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/benchmarks \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/configdoc \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/docs \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/extras \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/maintenance \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/plugins \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/smoketests \
+	--exclude=$(project_dir)/vendor/ezyang/htmlpurifier/tests 
+