Switch to the v2 configuration format

Author: orlnub123

.readthedocs.yml

@@ -1,8 +1,8 @@
-# TODO: Replace with .readthedocsv2.yml once the v2 format becomes supported
-requirements_file: docs/requirements.txt
-
-build:
-    image: latest
+version: 2
 
 python:
-    version: 3.6
+    install:
+        - path: docs/
+
+mkdocs:
+    configuration: docs/mkdocs.yml

.readthedocsv2.yml

@@ -3,7 +3,7 @@ repo_url: https://github.com/orlnub123/django-class-settings
 site_description: Effortless class-based settings for Django.
 copyright: Copyright © 2018 orlnub123.
 theme: readthedocs
-docs_dir: docs/files
+docs_dir: files
 
 nav:
     - Index: index.md

mkdocs.yml renamed to docs/mkdocs.yml

@@ -30,7 +30,7 @@ def on_page_read_source(self, _, page, config):
         if self.exists or page.file.name != "index":
             return
         source_lines = []
-        with open("README.md", encoding="utf-8") as file:
+        with open("../README.md", encoding="utf-8") as file:
             readme_html = markdown.markdown(file.read(), extensions=["mdx_partial_gfm"])
         readme_root = lxml.html.fromstring(readme_html)
         source_lines.append(self.get_title(readme_root))