Include introduction ppt slides (#3721)

Elliezza · web-flow · commit 713a8edfbd66 · 2024-02-21T16:33:41.000+08:00
diff --git a/docs/en/about/OpenMLDB_intro_2024.pdf b/docs/en/about/OpenMLDB_intro_2024.pdf
diff --git a/docs/en/about/index.rst b/docs/en/about/index.rst
@@ -9,4 +9,5 @@ About
     community
     milestones <https://openmldb.ai/en/history/>
     change_logs <https://github.com/4paradigm/OpenMLDB/blob/main/CHANGELOG.md>
+    Introduction Slides <https://github.com/4paradigm/OpenMLDB/blob/main/docs/en/about/OpenMLDB_intro_2024.pdf>
 
diff --git a/docs/zh/about/index.rst b/docs/zh/about/index.rst
@@ -8,4 +8,5 @@
     intro
     community
     发展历程 <https://openmldb.ai/history/>
-    更新日志 <https://github.com/4paradigm/OpenMLDB/blob/main/CHANGELOG.md>
+    更新日志 <https://github.com/4paradigm/OpenMLDB/blob/main/CHANGELOG.md>
+    介绍材料 <https://openmldb.feishu.cn/wiki/KPnBwDnFsiJCuBkvX4YceQ80nKc>
