Update Makefile with Docker support and additional npm commands for packaging and publishing

Makefile

@@ -1,4 +1,4 @@
-.PHONY: help install dev build preview check lint format clean
+.PHONY: help install dev build preview check lint format clean docker-build docker-run docker package publish
 
 help:
 	@echo 'Usage: make [target]'
@@ -6,15 +6,19 @@ help:
 	@echo 'Available targets:'
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  %-15s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 
-install:
-	npm install
-
 dev:
+	npm install
 	npm run dev
 
 build:
 	npm run build
 
+package:
+	npm run package
+
+publish:
+	npm publish
+
 preview:
 	npm run preview
 
@@ -28,5 +32,13 @@ format:
 	npm run format
 
 clean:
-	rm -rf .svelte-kit build node_modules/.vite
+	rm -rf .svelte-kit build node_modules/.vite dist package
+
+docker-build:
+	docker build -t linking-tool .
+
+docker-run:
+	docker run --rm -p 3000:3000 linking-tool
+
+docker: docker-build docker-run