Fixed Redis article.

Author: gfraiteur

conceptual/Caching/Backends/caching-redis.md

@@ -4,6 +4,7 @@ title: "Using Redis Cache"
 product: "postsharp"
 categories: "PostSharp;AOP;Metaprogramming"
 summary: "The document provides instructions on how to use Redis Cache with PostSharp, including server configuration, setting up PostSharp for Redis caching, adding local in-memory cache, and using dependencies with the Redis caching backend."
+---
 
 # Using Redis cache