[docs]Update docs

docs/source/1_overview/overview.rst

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+.. 这一页是模块目录树
+
+
+.. image::  ../image/product_h5.png
+
+======================================================
+
+
+Overview
+======================================================
+
+.. image:: http://badges.github.io/stability-badges/dist/stable.svg
+.. image:: https://img.shields.io/badge/version-2.0.8-green
+
+-------------------------------------------------------------------
+
+OrbbecSDK_ROS2 is a wrapper for the Orbbec 3D camera that provides seamless integration with the ROS2 environment. It
+supports ROS2 Foxy, Humble, Iron, and Jazzy distributions.
+
+
+OrbbecSDK ROS2 souce code link:
+`https://github.com/orbbec/OrbbecSDK_ROS2/tree/v2-main <https://github.com/orbbec/OrbbecSDK_ROS2/tree/v2-main>`_
+
+With the major update of the new branch v2-main in October 2024, OrbbecSDK_ROS2 is connected to the open source version of OrbbecSDK v2,
+which will make OrbbecSDK_ROS2 more flexible and extensible. This update in v2-main ensures compatibility with all new Orbbec USB products
+that comply with the UVC standard. However, OrbbecSDK_ROS2 v2 no longer supports Orbbec's traditional OpenNI protocol devices.
+We encourage you to check whether your device is supported by OrbbecSDK_ROS2 v2 and use the new version if supported.
+
+
+For the usage  of orbbecSDK, please refer to the link for more detailed introduction:
+
+OrbbecSDK souce code link:
+`https://github.com/orbbec/OrbbecSDK_v2 <https://github.com/orbbec/OrbbecSDK_v2>`_
+
+
+
+======================================================
+
+.. toctree::
+    :maxdepth: 2
+    :caption: This Section Covers:
+
+    supported_cameras.md
+    supported_platforms.md
+
+
+
+
+======================================================
+
+.. image:: ../image/product_h1.png