add makefile

Makefile

@@ -0,0 +1,21 @@
+
+
+# Target to increment the version
+bump-version:
+	@jq '.version |= (. | split(".") | .[2] |= (tonumber + 1 | tostring) | join("."))' package.json > package.json.tmp
+	@mv package.json.tmp package.json
+
+# Target to clean old tgz files
+clean:
+	@rm -f *.tgz
+
+git-commit:
+	$(eval NEW_VERSION := $(shell jq -r '.version' package.json))
+	@git add .
+	@git commit -m "Bump version to $(NEW_VERSION)"
+
+# Target to execute npm pack
+pack: clean bump-version git-commit
+	npm pack
+
+