[ADD] conf: add sitemap generation

Requires jdillard/sphinx-sitemap@6d5e7b4aeb

conf.py

@@ -111,6 +111,9 @@ extensions = [
 
     # Strange html domain logic used in memento pages
     'html_domain',
+
+    # Sitemap generation
+    'sphinx_sitemap',
 ]
 if odoo_dir_in_path:
     # GitHub links generation
@@ -247,6 +250,11 @@ def setup(app):
 
     app.connect('html-page-context', _generate_alternate_urls)
 
+    if app.config.language == "en":
+        app.config.sitemap_url_scheme = "{version}{link}"
+    else:
+        app.config.sitemap_url_scheme = "{version}{lang}{link}"
+
 
 def _generate_alternate_urls(app, pagename, templatename, context, doctree):
     """ Add keys of required alternate URLs for the current document in the rendering context.

requirements.txt

@@ -4,3 +4,4 @@ pygments-csv-lexer~=0.1
 pysass~=0.1.0
 sphinx~=3.0
 werkzeug==0.14.1
+sphinx_sitemap==2.2.0