updated rtd config

doc/source/conf.py

@@ -31,14 +31,12 @@ release = csst.__version__
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = [
+extensions = ["recommonmark",
               "sphinx.ext.autodoc",
-    'sphinx.ext.imgmath',
-    'numpydoc',
-    'sphinx.ext.autosummary',
-    'sphinx.ext.coverage',
-    'sphinx.ext.intersphinx',
-]
+              "sphinx.ext.napoleon",
+              "sphinx.ext.viewcode",
+              "sphinx.ext.mathjax",
+              ]
 
 
 # Add any paths that contain templates here, relative to this directory.

readthedocs.yml

+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  builder: html
+  configuration: doc/source/conf.py
+  fail_on_warning: true
+
+# Optionally build your docs in additional formats such as PDF
+formats:
+  - pdf
+
+# Optionally set the version of Python and requirements required to build your docs
 python:
-  # make sure joblib is installed in the virtualenv (it is imported in
-  # conf.py)
+  version: 3.8
+  install:
+    - requirements: docs/requirements.txt
+    - method: pip
+      path: .
   pip_install: true
 
 requirements_file: .readthedocs-requirements.txt
+
+submodules:
+  include: []
+  recursive: False
+
+search:
+  ranking:
+    api/v1/*: -1
+    api/v2/*: 4
+  ignore:
+    - 404.html
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