tweaks

doc/source/index.rst

@@ -70,7 +70,7 @@ The guide for LSST developers
 .. toctree::
    :hidden:
    :maxdepth: 2
-   :caption: CI / CD
+   :caption: CODE MANAGEMENT
 
    cicd.rst
 

requirements.txt

@@ -3,4 +3,5 @@ scipy==1.9.1
 joblib==1.2.0
 setuptools==58.0.4
 astropy==5.1
-pycodestyle==2.9.1
\ No newline at end of file
+pycodestyle==2.9.1
+sphinx_copybutton==0.5.0
\ No newline at end of file