[doc] Add sphinx-copybutton

https://sphinx-copybutton.readthedocs.io/en/latest/index.html

Change-Id: Ibfd85740c4f2d94b751500cf69e3513c7d063bbc
---
M docs/conf.py
M docs/requirements.txt
2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/docs/conf.py b/docs/conf.py
index 395e968..b4dac2b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -52,6 +52,7 @@
 # ones.
 extensions = [
     'notfound.extension',
+    'sphinx_copybutton',
     'sphinx.ext.autodoc',
     'sphinx.ext.autosectionlabel',
     'sphinx.ext.autosummary',
diff --git a/docs/requirements.txt b/docs/requirements.txt
index d55a081..ba511c6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,6 +4,7 @@
 sphinx >= 7.2.6
 rstcheck >=6.2.0
 sphinxext-opengraph >= 0.9.0
+sphinx-copybutton >= 0.5.2
 sphinx-notfound-page >= 1.0.0
 furo >= 2023.9.10
 tomli

