Add Markdown support and update member features

The commit adds Markdown rendering capabilities and makes several UI/UX
improvements across member-related features including profile display,
peer support badges, and navigation structure.

Includes:
- Added @tailwindcss/typography plugin
- New Markdown rendering composable
- Simplified member navigation links
- Enhanced member profile layout and styling
- Added peer support badge component
- Improved mobile responsiveness
- Removed redundant icons and simplified UI

package.json

@@ -22,6 +22,7 @@
     "cloudinary": "^2.7.0",
     "eslint": "^9.34.0",
     "jsonwebtoken": "^9.0.2",
+    "marked": "^16.4.0",
     "mongoose": "^8.18.0",
     "nitro-cors": "^0.7.1",
     "nuxt": "^4.0.3",
@@ -31,5 +32,8 @@
     "vue-cal": "^5.0.1-rc.28",
     "vue-router": "^4.5.1",
     "zod": "^4.1.3"
+  },
+  "devDependencies": {
+    "@tailwindcss/typography": "^0.5.19"
   }
 }