feat: enhance image handling and analytics configuration

- Add @unpic/astro for improved image optimization
- Configure image service with blurhash placeholder
- Update analytics script to support custom JavaScript URLs
- Modify preload configuration for more flexible analytics integration
- Remove deprecated rehype image transformation plugin

package.json

@@ -20,10 +20,11 @@
     "@astrojs/rss": "^4.0.11",
     "@astrojs/sitemap": "^3.2.1",
     "@rehype-pretty/transformers": "^0.13.2",
+    "@unpic/astro": "^1.0.0",
     "astro": "^5.3.0",
     "astro-compress": "^2.3.6",
     "astro-robots-txt": "^1.0.0",
-    "hastscript": "^9.0.0",
+    "hastscript": "^9.0.1",
     "markdown-it": "^14.1.0",
     "overlayscrollbars": "^2.11.0",
     "photoswipe": "^5.4.4",
@@ -41,7 +42,7 @@
     "sharp": "^0.33.5",
     "typescript": "~5.7.3",
     "unist-util-visit": "^5.0.0",
-    "vite": "^6.1.0"
+    "vite": "^6.1.1"
   },
   "devDependencies": {
     "@antfu/eslint-config": "^4.3.0",