Update README with docs

docs/Makefile

@@ -3,8 +3,9 @@
 
 # You can set these variables from the command line, and also
 # from the environment for the first two.
+PROJROOT      := $(abspath $(MAKEFILE_LIST)/../..)
 SPHINXOPTS    ?=
-SPHINXBUILD   ?= sphinx-build
+SPHINXBUILD   ?= PYTHONPATH="$(PROJROOT)" sphinx-build
 SOURCEDIR     = source
 BUILDDIR      = build
 

docs/source/conf.py

@@ -62,9 +62,7 @@ source_suffix = {
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 html_theme = 'sphinx_rtd_theme'
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 html_theme_options = {
-    'display_version': False,
     'navigation_depth': 2,
     'prev_next_buttons_location': 'None'
 }