Chore: Add version consistency check to build process

Makefile

@@ -1,9 +1,12 @@
-# Build the plug using local deno
-build:
-	deno task build
+# Check version consistency
+check-versions:
+	./check_versions.sh
+
+# Build the plug using a Docker container with Deno
+build: check-versions
+	docker run --rm -v /home/sstent/Projects/silverbullet-icalendar:/app -w /app denoland/deno:latest task build
 
 # Helper to build and copy to a local test space (if needed)
-deploy-test:
-	deno task build
+deploy-test: build
 	mkdir -p test_space/_plug
-	cp icalendar.plug.js test_space/_plug/
+	cp icalendar.plug.js test_space/_plug/