Add simple release script

Makefile

@@ -3,7 +3,7 @@ PONOS_BRANCH=master
 COMMON_BRANCH=master
 IMAGE_TAG=registry.gitlab.com/arkindex/backend
 
-.PHONY: all
+.PHONY: all release
 
 all: clean build
 
@@ -40,3 +40,10 @@ test-fixtures-restore:
 require-version:
 	@if [ ! "$(version)" ]; then echo "Missing version to publish"; exit 1; fi
 	@git rev-parse $(version) >/dev/null 2>&1 && (echo "Version $(version) already exists on local git repo !" && exit 1) || true
+
+release:
+	$(eval version:=$(shell cat VERSION))
+	echo $(version)
+	git commit VERSION -m "Version $(version)"
+	git tag $(version)
+	git push origin master $(version)