Fixing docs build on MacOS, and fixing docs docs

.gitignore

@@ -70,6 +70,9 @@ venv*/
 *.h5
 *.txt
 
+# metadata file specific to MacOS
+.DS_Store
+
 # vis files
 *.vtu
 *.vtd

doc/developer/documenting.rst

@@ -25,7 +25,7 @@ Building the documentation
 Before building documentation, ensure that you have installed the test requirements into
 your ARMI virtual environment with::
 
-    pip install -e .[test]
+    pip install -e .[docs]
 
 You also need to have the following utilities available in your PATH:
 

pyproject.toml

@@ -111,6 +111,7 @@ docs = [
     "sphinxcontrib-jquery==4.1", # Handle missing jquery errors
     "jupyter-contrib-nbextensions", # A collections of JS extensions for jupyter notebooks
     "lxml<5.0.0", # Needed because the dep above is no longer an active project
+    "wxPython", # optional for default install, needed for docs build
 ]
 
 [project.scripts]