Refresh readthedocs (#4245)

docs/.readthedocs.yaml

@@ -0,0 +1,19 @@
+# Read the Docs configuration file for MkDocs projects
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+
+mkdocs:
+  configuration: mkdocs.yml
+
+# Optionally declare the Python requirements required to build your docs
+python:
+  install:
+    - requirements: docs/requirements.txt

docs/requirements.txt

@@ -1 +1 @@
-mkdocs==1.2.4
+mkdocs==1.5.3

mkdocs.yml

@@ -1,6 +1,7 @@
 site_name: Aeternity node documentation
 site_url: https://aeternity.com
 repo_url: https://github.com/aeternity/aeternity
+docs_dir: docs
 theme:
     name: readthedocs
     highlightjs: true