fix typo in 3dphardware_dev in toctree and a configuration change that I may or may not have needed to make the file

Author: goldfishlaser

docs/conf.py

@@ -224,8 +224,12 @@
 ############################
 html_context['display_lower_left'] = True
 
-from git import Repo
-repo = Repo( search_parent_directories=True )
+try:
+    from git import Repo
+    repo = Repo( search_parent_directories=True )
+except ImportError as e:
+    print(f"Warning: {e}. GitPython may not be installed or accessible.")
+    repo = None
 
 if 'current_version' in os.environ:
 	# get the current_version env var set by updatePages.sh

docs/index.rst

@@ -48,7 +48,7 @@ For information on how to build your own BusKill cable, see :ref:`hardware_dev`.
    software_usr/index
    hardware_dev/index
    software_dev/index
-   3Dphardware_dev/index
+   3dphardware_dev/index
 
 .. toctree::
    :maxdepth: 2