feat(auth): integrate Firebase authentication and update auth flow

- Added Firebase authentication methods for login, signup, and password reset.
- Replaced mock user database with Firebase user management.
- Updated auth store to handle Firebase user state and authentication.
- Implemented middleware for Firebase authentication in RPC routes.
- Enhanced error handling and user feedback with toast notifications.
- Added Toast component for user notifications in the UI.
- Updated API client to include authorization headers for authenticated requests.
- Removed unused CSRF token logic and related code.

src/type.d.ts

@@ -6,5 +6,6 @@ declare module "@httpClientAdapter" {
     export function httpClientAdapter(opts: {
         url: string;
         pathsForGET?: string[];
+        headers?: () => Promise<{ Authorization?: undefined; } | { Authorization: string; }>
     }): TinyRpcClientAdapter;
 }