chore: update roadmap content json (#7778)

Co-authored-by: kamranahmedse <4921183+kamranahmedse@users.noreply.github.com>

public/roadmap-content/full-stack.json

@@ -439,6 +439,11 @@
         "url": "https://redis.io/docs/latest/",
         "type": "article"
       },
+      {
+        "title": "Redis University",
+        "url": "https://university.redis.io/academy",
+        "type": "article"
+      },
       {
         "title": "Explore top posts about Redis",
         "url": "https://app.daily.dev/tags/redis?ref=roadmapsh",