add mvp of spelling sphinx extension

README.md

@@ -64,6 +64,17 @@ Happy coding!
 * `jupyter-book build .` from root
 * `python -m http.server --directory _build/html/`
 
+### Spell check
+
+* `pip install sphinxcontrib-spelling`
+* `jupyter-book config sphinx` generates `conf.py`
+* Add the following lines to `conf.py`:
+```
+spelling_ignore_pypi_package_names=True
+spelling_word_list_filename = 'spelling_correctwords.txt'
+```
+* `sphinx-build -b spelling . ./_build` from root (this is in place of `jupyter-book build .`
+
 ## Deploy
 [link](https://jupyterbook.org/start/publish.html#publish-your-book-online-with-github-pages)
 1. Build book

_config.yml

@@ -36,6 +36,11 @@ html:
   use_repository_button: true
   favicon : "favicon.ico"
 
+# Include sphinx extensions
+sphinx:
+  extra_extensions:
+  - "sphinxcontrib.spelling"
+
 # Surpress binder link since it doesn't work
 launch_buttons:
   binderhub_url: ""

spelling_correctwords.txt

@@ -0,0 +1,10 @@
+dataframe
+Dataframes
+epsg
+crs
+legos
+groupby
+nan
+NaN
+Cawker
+Filepaths