continued working on sidebar

package.json

@@ -14,6 +14,7 @@
     "@astrojs/mdx": "^2.1.1",
     "@microflash/remark-callout-directives": "^2.0.0",
     "astro": "^4.2.6",
+    "astro-icon": "^1.1.0",
     "astro-lighthouse": "^0.1.3",
     "astro-meta-tags": "^0.2.1",
     "astro-min": "^1.1.0-dev.4",
@@ -23,5 +24,8 @@
     "remark-directive": "^3.0.0",
     "remark-external-links": "^9.0.1",
     "sass": "^1.70.0"
+  },
+  "devDependencies": {
+    "@iconify-json/mdi": "^1.1.64"
   }
 }