feat: update footer link formatting and add shadcn-nuxt integration

- Refactored footer.vue to improve link formatting.
- Updated nuxt.config.ts to include shadcn-nuxt and added necessary HTML attributes and meta tags for SEO.
- Added new dependencies in package.json for class-variance-authority, clsx, lucide-vue-next, reka-ui, shadcn-nuxt, tailwind-merge, and tailwindcss-animate.
- Cleaned up unused template tags in headlines.vue, index.vue, and news/[provider]/[slug].vue.
- Simplified sources.vue template structure.
- Improved login.vue styles for better animation.
- Enhanced google.ts API handler for better error handling and code clarity.
- Updated find/newsOrg.ts to ensure consistent code style.
- Added CSS variables and improved Tailwind configuration in main.css and tailwind.config.js.
- Created components.json for shadcn integration and added new UI components (Alert, Button, Progress) with respective styles and variants.
- Implemented utility functions in utils.ts for class name merging and value updating.

package.json

@@ -25,13 +25,20 @@
     "@uploadthing/nuxt": "^7.1.7",
     "animate.css": "^4.1.1",
     "bootstrap-icons": "^1.12.1",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
     "gsap": "^3.13.0",
     "html-to-json-parser": "^2.0.1",
+    "lucide-vue-next": "^0.508.0",
     "nuxt": "^3.17.2",
     "passport-github2": "^0.1.12",
     "prettier": "^3.5.3",
+    "reka-ui": "^2.2.1",
     "rss-parser": "^3.13.0",
+    "shadcn-nuxt": "2.1.0",
+    "tailwind-merge": "^3.2.0",
     "tailwindcss": "3",
+    "tailwindcss-animate": "^1.0.7",
     "tailwindcss-animatecss": "^3.0.5",
     "uploadthing": "^7.6.0",
     "vue": "^3.5.13",