added pandoc as renderer

examples.md

@@ -11,7 +11,7 @@ Root directory manifest (`.wp-materialize.json`):
   "categories": { "content": ["Systems", "Infrastructure"], "inherit": true },
   "tags": { "content": ["automation", "wordpress"], "inherit": true },
   "author": { "content": ["editorial"], "inherit": true },
-  "renderer": "py-gfm",
+  "renderer": "pandoc",
   "subdirectories": { "content": ["design", "notes"], "inherit": true },
   "files": {
     "post.md": {
@@ -21,7 +21,7 @@ Root directory manifest (`.wp-materialize.json`):
     },
     "essay.md": {
       "use_heading_as_title": { "level": 1, "strict": true },
-      "renderer": "default",
+      "renderer": "py-gfm",
       "created_on": "2025-01-10 09:30",
       "last_modified": "2025-02-14 16:45"
     }