feat: 添加 Solid.js 支持并优化 Header 组件

- 在项目中集成 Solid.js 及其相关依赖
- 配置 tsconfig.json 和 astro.config.mjs 以支持 Solid.js
- 优化 Header 组件，添加元素存在性检查

Author: ExquisiteCore

blog-web/astro.config.mjs

@@ -3,9 +3,13 @@ import { defineConfig } from 'astro/config';
 
 import tailwindcss from '@tailwindcss/vite';
 
+import solidJs from '@astrojs/solid-js';
+
 // https://astro.build/config
 export default defineConfig({
   vite: {
     plugins: [tailwindcss()]
-  }
+  },
+
+  integrations: [solidJs()]
 });

blog-web/package.json

@@ -9,9 +9,11 @@
     "astro": "astro"
   },
   "dependencies": {
+    "@astrojs/solid-js": "^5.0.10",
     "@tailwindcss/vite": "^4.1.6",
     "astro": "^5.7.12",
     "daisyui": "^5.0.35",
+    "solid-js": "^1.9.6",
     "tailwindcss": "^4.1.6"
   }
 }