docs: add H2 to list of supported series to front page doc

docs/en/index.rst

@@ -8,7 +8,7 @@ ESP-IDF Programming Guide
 
         The function API documentation is excluded from the preview. Add docs_full label to the MR to generate the complete documentation.
 
-This is the documentation for Espressif IoT Development Framework (`esp-idf <https://github.com/espressif/esp-idf>`_). ESP-IDF is the official development framework for the `ESP32, ESP32-S and ESP32-C Series SoCs <https://www.espressif.com/en/products/socs>`_.
+This is the documentation for Espressif IoT Development Framework (`esp-idf <https://github.com/espressif/esp-idf>`_). ESP-IDF is the official development framework for the `ESP32, ESP32-S, ESP32-C and ESP32-H Series SoCs <https://www.espressif.com/en/products/socs>`_.
 
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docs/zh_CN/index.rst

@@ -8,7 +8,7 @@ ESP-IDF 编程指南
 
         快速预览中不包括 API 函数文档。如需生成完整的文档，请在 MR 中添加 docs_full 标签。
 
-这里是乐鑫 IoT 开发框架 (`esp-idf <https://github.com/espressif/esp-idf>`_) 的文档中心。ESP-IDF 是 `ESP32、ESP32-S 和 ESP32-C <https://www.espressif.com/en/products/socs>`_ 系列芯片的官方开发框架。
+这里是乐鑫 IoT 开发框架 (`esp-idf <https://github.com/espressif/esp-idf>`_) 的文档中心。ESP-IDF 是 `ESP32、ESP32-S ESP32-C 和 ESP32-H <https://www.espressif.com/en/products/socs>`_ 系列芯片的官方开发框架。
 
 .. only:: html