Use furo sphinx doc theme

Author: kislyuk

Makefile

@@ -11,6 +11,7 @@ init_docs:
 	cd docs; sphinx-quickstart
 
 docs:
+	python -m pip install furo
 	sphinx-build docs docs/html
 
 install:

docs/conf.py

@@ -20,24 +20,19 @@
     "https://cryptography.io/en/latest": "https://cryptography.io/en/latest/objects.inv",
     "https://www.pyopenssl.org/en/stable": "https://www.pyopenssl.org/en/stable/objects.inv",
 }
+templates_path = [""]
 
 if "readthedocs.org" in os.getcwd().split("/"):
     with open("index.rst", "w") as fh:
         fh.write("Documentation for this project has moved to https://xml-security.github.io/" + project)
 else:
-    import guzzle_sphinx_theme
-
-    html_theme_path = guzzle_sphinx_theme.html_theme_path()
-    html_theme = "guzzle_sphinx_theme"
-    html_theme_options = {
-        "project_nav_name": project,
-        "projectlink": "https://github.com/XML-Security/" + project,
-    }
+    html_theme = "furo"
     html_sidebars = {
         "**": [
-            "logo-text.html",
-            # "globaltoc.html",
-            "localtoc.html",
-            "searchbox.html",
+            "sidebar/brand.html",
+            "sidebar/search.html",
+            "sidebar/scroll-start.html",
+            "toc.html",
+            "sidebar/scroll-end.html",
         ]
     }

docs/toc.html

@@ -0,0 +1 @@
+{{toc}}