chore: bump version to 0.4.0

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: wickedev

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "wyreframe",
-  "version": "0.2.3",
+  "version": "0.4.0",
   "description": "ASCII wireframe + interaction DSL to HTML converter with scene transitions",
   "author": "wickedev",
   "repository": {