added slug to post url

Author: normanlorrain

mkdocs.yml

@@ -25,6 +25,7 @@ plugins:
     - blog:
         blog_dir: .
         pagination_per_page: 3
+        post_url_format: "{date}/{slug}"
         # more blog parameters here:
         # https://squidfunk.github.io/mkdocs-material/plugins/blog/
 
@@ -42,4 +43,4 @@ markdown_extensions:
   - attr_list  # This lets us specify image dimensions, etc.
 
 extra_css: 
-  - stylesheets/extra.css
+  - stylesheets/extra.css