Use myst-parser instead of recommonmark (#23)

conf.py

@@ -39,20 +39,22 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    "myst_parser"
 ]
 
-source_parsers = {
-    '.md': 'recommonmark.parser.CommonMarkParser',
-}
-
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-source_suffix = ['.rst', '.md']
+source_suffix = {
+    '.rst': 'restructuredtext',
+    '.txt': 'markdown',
+    '.md': 'markdown',
+}
+
 #  source_suffix = '.rst'
 
 # The master toctree document.

requirements.txt

@@ -1,3 +1,3 @@
-recommonmark
+myst-parser
 sphinx
 dask_sphinx_theme>=2