Introduce difficulty level tags

npathai · npathai · commit 012fa5454704 · 2015-09-09T13:53:24.000+05:30
As per discussion in iluwatar#245 we decided to introduce difficulty tags which will make it easier for beginners to dive into our patterns.
diff --git a/_config.yml b/_config.yml
@@ -37,3 +37,6 @@ category-list:
 
 tag-list:
   - Java
+  - Difficulty-Beginner
+  - Difficulty-Intermediate
+  - Difficulty-Expert
