Add configuration for building documentation

.github/workflows/python-package.yml

@@ -25,7 +25,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip wheel
-        pip install build Sphinx myst-parser pycodestyle coverage coveralls numpy mypy
+        pip install build pycodestyle coverage coveralls numpy mypy
+        pip install -r doc/requirements.txt
     - name: Test
       shell: bash
       run: |

.readthedocs.yaml

@@ -0,0 +1,18 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.8"
+
+sphinx:
+   configuration: doc/source/conf.py
+
+python:
+   install:
+   - requirements: doc/requirements.txt

doc/requirements.txt

@@ -0,0 +1,2 @@
+Sphinx
+myst-parser