Fix the rst syntax for most documentation

docs/conf.py

@@ -41,7 +41,7 @@ templates_path = ['_templates']
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = '.md'
+source_suffix = '.rst'
 
 # The master toctree document.
 master_doc = 'index'
@@ -165,6 +165,3 @@ texinfo_documents = [
      author, 'Mailu', 'One line description of project.',
      'Miscellaneous'),
 ]
-
-
-