Most slash command support completed, needs some debugging (and reindent)

docs/extensions/details.py

@@ -52,4 +52,3 @@ def setup(app):
     app.add_node(details, html=(visit_details_node, depart_details_node))
     app.add_node(summary, html=(visit_summary_node, depart_summary_node))
     app.add_directive('details', DetailsDirective)
-

docs/extensions/nitpick_file_ignorer.py

@@ -5,7 +5,7 @@ from sphinx.util import logging as sphinx_logging
 
 
 class NitpickFileIgnorer(logging.Filter):
-    
+
     def __init__(self, app: Sphinx) -> None:
         self.app = app
         super().__init__()