doc: Add exact git version & target SoC to feedback form parameters

Currently squeezed into the "version" field as we don't have separate fields for these.

docs/en/_templates/layout.html

@@ -1,4 +1,4 @@
 {% extends '!layout.html' %}
 {% block comments %}
-<p style="text-align:center"><a href="https://www.espressif.com/en/company/documents/documentation_feedback?docId=4287&sections={{ title|striptags|e }} ({{ pagename }})&version={{ release }}">Provide feedback about this document</a></p>
+<p style="text-align:center"><a href="https://www.espressif.com/en/company/documents/documentation_feedback?docId=4287&sections={{ title|striptags|e }} ({{ pagename }})&version={{ idf_target }} {{ release }} ({{ version }})">Provide feedback about this document</a></p>
 {% endblock %}

docs/zh_CN/_templates/layout.html

@@ -1,4 +1,4 @@
 {% extends '!layout.html' %}
 {% block comments %}
-<p style="text-align:center"><a href="https://www.espressif.com/zh-hans/company/documents/documentation_feedback?docId=4286&sections={{ title|striptags|e }} ({{ pagename }})&version={{ release }}">提供有关此文档的反馈</a></p>
+<p style="text-align:center"><a href="https://www.espressif.com/zh-hans/company/documents/documentation_feedback?docId=4286&sections={{ title|striptags|e }} ({{ pagename }})&version={{ idf_target }} {{ release }} ({{ version }})">提供有关此文档的反馈</a></p>
 {% endblock %}