Update _config.yml

_config.yml

@@ -7,6 +7,20 @@ theme: jekyll-theme-architect
 plugins:
   - minima
 
+header_pages:
+  - about.md
+
+minima:
+  # Minima skin selection.
+  # Available skins are:
+  # classic	           Default, light color scheme.
+  # dark	             Dark variant of the classic skin.
+  # auto	             Adaptive skin based on the default classic and dark skins.
+  # solarized-light	   Light variant of solarized color scheme.
+  # solarized-dark	   Dark variant of solarized color scheme.
+  # solarized	         Adaptive skin for solarized color scheme skins.
+  skin: dark
+
 readme_index:
   enabled:          true
   remove_originals: false