chore: release v0.7.0

- baoyu-comic: adds --aspect (3:4, 4:3, 16:9) and --lang options; multi-variant storyboard workflow
- baoyu-comic/baoyu-slide-deck: adds analysis-framework and template references
- Multiple skills: restructured SKILL.md, moved details to references/

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

.claude-plugin/marketplace.json

@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "0.6.1"
+    "version": "0.7.0"
   },
   "plugins": [
     {