adding version in custom footer

docs/_static/custom.css

@@ -0,0 +1,6 @@
+.footer {
+    margin-top: 20px;
+    text-align: center;
+    font-size: 0.9em;
+    color: #737373;
+}

docs/_templates/footer.html

@@ -0,0 +1,5 @@
+{% extends "!footer.html" %}
+{% block extrafooter %}
+    {{ super() }}
+    <div class="footer">Version: {{ version }} ({{ release }})</div>
+{% endblock %}

docs/conf.py

@@ -46,6 +46,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    "sphinx_rtd_theme",
     "sphinx.ext.autodoc",
     "sphinx.ext.autosummary",
     "sphinx.ext.intersphinx",
@@ -98,6 +99,14 @@
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
+html_context = {
+    "display_github": True,
+    "version": version,
+    "release": release,
+}
+html_theme_options = {
+    "version_selector": True,
+}
 
 # Show the version number in the navigation bar
 html_show_sphinx = True
@@ -108,6 +117,11 @@
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ["_static"]
 
+# Add custom CSS to style the footer
+html_css_files = [
+    "custom.css",
+]
+
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
 #