Merge branch 'docs/add_read_otadata_documentation' into 'master'

docs: Add documentation for `idf.py read-otadata`

See merge request espressif/esp-idf!28141

docs/en/api-guides/tools/idf-py.rst

@@ -218,6 +218,15 @@ To generate a UF2 binary for the application only (not including the bootloader
 
   idf.py uf2-app
 
+Read Otadata Partition: ``read-otadata``
+----------------------------------------
+
+.. code-block:: bash
+
+  idf.py read-otadata
+
+This command prints the contents of the ``otadata`` partition which stores the information about the currently selected OTA app slot. Refer to :doc:`/api-reference/system/ota` for more about the ``otadata`` partition.
+
 Global Options
 ==============
 

docs/zh_CN/api-guides/tools/idf-py.rst

@@ -218,6 +218,15 @@ ESP-IDF 支持多个目标芯片，运行 ``idf.py --list-targets`` 查看当前
 
   idf.py uf2-app
 
+读取 Otadata 分区：``read-otadata``
+--------------------------------------
+
+.. code-block:: bash
+
+  idf.py read-otadata
+
+此命令将打印 ``otadata`` 分区的内容，该分区存储当前所选 OTA 应用程序分区的信息。有关 ``otadata`` 分区的更多信息，请参阅 :doc:`/api-reference/system/ota`。
+
 全局选项
 ==============