feat: animations, responsive design

Animations
- added opacity animation for experience page
- added stagger animation for navbar items on mobile
- added animation for landing page for years and language indications

Pages
- About Page mockup

Redesign
- Navbar to include icons on desktop

assets/json/projects.json

@@ -5,7 +5,7 @@
     "end": null,
     "stack": ["Go", "Wails", "React", "SQLite3", "TailwindCSS"],
     "description": "Invoie Management System that helps mechanics create invoices, manage customers, finances and more.",
-    "thumbnail": "/static/images/invoice-manager-thumbnail.png",
+    "thumbnail": "/assets/images/invoice-manager-thumbnail.png",
     "github_link": "",
     "status": "In Progress"
   },