feat: initialize SvelteKit project with authentication and database setup

- Add package.json with necessary dependencies and scripts
- Create app.d.ts for type definitions related to authentication
- Set up basic HTML structure in app.html
- Implement server hooks in hooks.server.ts for session management
- Add favicon.svg for branding
- Create index.ts for library imports
- Set up authentication logic in auth.ts using better-auth
- Define database schema in auth.schema.ts and schema.ts for user, session, and game entities
- Create layout and page components with basic content
- Add Tailwind CSS integration in layout.css
- Include robots.txt for web crawling instructions
- Configure SvelteKit with Vercel adapter in svelte.config.js
- Set up TypeScript configuration in tsconfig.json
- Configure Vite with Tailwind CSS and SvelteKit plugins in vite.config.ts

.gitignore

@@ -0,0 +1,23 @@
+node_modules
+
+# Output
+.output
+.vercel
+.netlify
+.wrangler
+/.svelte-kit
+/build
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Env
+.env
+.env.*
+!.env.example
+!.env.test
+
+# Vite
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*