add myst_parser to render md - files

Signed-off-by: Christian Muenker <mail@chipmuenk.de>

docs/source/conf.py

@@ -24,7 +24,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'pyfda'
-copyright = '2023, Christian Muenker'
+copyright = '2024, Christian Muenker'
 author = 'Christian Muenker'
 
 # version_nr contains ... well ... the version in the form  __version__ = '0.1b10'
@@ -49,6 +49,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    'myst_parser',
     'sphinx.ext.autodoc',
     'sphinx.ext.intersphinx',
     'sphinx.ext.mathjax',
@@ -78,8 +79,8 @@
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-# source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ['.rst', '.md']
+# source_suffix = '.rst'
 
 # The master toctree document.
 master_doc = 'index'