point to doc build reqs

Author: William Grant

.readthedocs.yaml

@@ -0,0 +1,5 @@
+version: 2
+
+python:
+  install:
+    - requirements: docs/doc_requirements.txt

docs/conf.py

@@ -8,27 +8,33 @@
 import os
 import sys
 
-project = 'typed_python'
-copyright = '2022, Braxton McKee'
-author = 'Braxton McKee'
-release = '0.2.6'
+project = "typed_python"
+copyright = "2022, Braxton McKee"
+author = "Braxton McKee"
+release = "0.2.6"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
 
-extensions = ['myst_parser',
-              'sphinx.ext.autodoc',
-              'sphinx.ext.napoleon',
-              'sphinx.ext.viewcode'
-              ]
+extensions = [
+    "myst_parser",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.viewcode",
+]
 
-templates_path = ['_templates']
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+source_suffix = {
+    ".rst": "restructuredtext",
+    ".md": "markdown",
+}
+
+templates_path = ["_templates"]
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'sphinx_book_theme'
-html_static_path = ['_static']
+html_theme = "sphinx_book_theme"
+html_static_path = ["_static"]
 
-sys.path.insert(0, os.path.abspath('..'))
+sys.path.insert(0, os.path.abspath(".."))