refactor: remove GitHub authentication API endpoints and add new components

- Deleted GitHub callback and authentication handler files.
- Added new component for displaying headlines.
- Implemented hot news feed component with external API fetching.
- Created dynamic news provider page with routing.
- Developed news organization about page with animations and data fetching.
- Introduced a code of conduct document.

.env.example

@@ -1,9 +1,12 @@
-S3_ACCESS_KEY=""
-S3_SECRET_KEY=""
-S3_BUCKETNAME=""
-S3_ENDPOINT=""
 
-NUXT_GITHUB_CLIENT_ID=""
-NUXT_GITHUB_CLIENT_SECRET=""
+S3_ACCESS_KEY=
+S3_SECRET_KEY=
+S3_BUCKETNAME=
+S3_ENDPOINT=
 
-POSTGRES_URL=""
+POSTGRES_URL=
+
+GROQ_API_KEY=
+
+NUXT_PUBLIC_CLERK_PUBLISHABLE_KEY=
+NUXT_CLERK_SECRET_KEY=