Added Gang of four tag

npathai · npathai · commit 2c5e981abc34 · 2015-09-22T18:39:21.000+05:30
diff --git a/_config.yml b/_config.yml
@@ -48,3 +48,4 @@ tag-list:
   - Difficulty-Beginner
   - Difficulty-Intermediate
   - Difficulty-Expert
+  - Gang Of Four
