docs: add 2025 Q1 roadmap (#3663)

Author: wsxiaoys

website/docs/roadmap.mdx

@@ -8,17 +8,27 @@ import Collapse from '@site/src/components/Collapse';
 
 We continuously work on updating our roadmap and we love to discuss those with our community. Feel encouraged to participate.
 
+## Q1 2025
+
+* 🔐 LDAP Integration for SSO
+
+* 🚀 Upgraded Answer Engine Experience
+  - Detailed, step-by-step transparency: For example, procedures for searching through source code and extracting directory architecture.
+
+* 📋 Facilitate the Discussion Threads into Knowledge Page.
+
+<Collapse title="Archived">
+
 ## Q4 2024
 
 * 🚀 Enhanced Answer Engine Experience
-  - Fine-grained step by step visibility: e.g., step to search source code, to extract directory structure.
+  - <s>Fine-grained step by step visibility: e.g., step to search source code, to extract directory structure.</s> (moved to Q1 2025)
   - Richer source visualization: e.g., GitHub issue status can be visualized.
 
 * 🛠️ Improved Debugging / Admin Experience
   - Enhance background job visibility.
   - Enhance model backend status visibility.
 
-<Collapse title="Archived">
 
 ## Q3 2024