Update _config.yml

Shrikanth Ravi · web-flow · commit d976a54f34a7 · 2018-03-09T08:22:18.000+05:30
diff --git a/_config.yml b/_config.yml
@@ -1 +1,3 @@
-theme: jekyll-theme-cayman
+theme: jekyll-theme-cayman
+plugins:
+  - jekyll-seo-tag
