Update _config.yml

_config.yml

@@ -29,7 +29,7 @@ repository               : # GitHub username/repo-name e.g. "mmistakes/minimal-m
 teaser                   : # path of fallback teaser image, e.g. "/assets/images/500x300.png"
 logo                     : # path of logo image to display in the masthead, e.g. "/assets/images/88x88.png"
 masthead_title           : # overrides the website title displayed in the masthead, use " " for no title
-breadcrumbs              : # true, false (default)
+breadcrumbs              : true # true, false (default)
 words_per_minute         : 200
 enable_copy_code_button  : # true, false (default)
 copyright                : # "copyright" name, defaults to site.title
@@ -324,3 +324,6 @@ defaults:
       comments: # true
       share: true
       related: true
+      show_date: true
+
+date_format: "%Y-%m-%d"