added user topics page title

public/language/en_GB/pages.json

@@ -9,6 +9,7 @@
 	"user.following": "People %1 Follows",
 	"user.followers": "People who Follow %1",
 	"user.posts": "Posts made by %1",
+	"user.topics": "Topics created by %1",
 	"user.favourites": "%1's Favourite Posts",
 	"user.settings": "User Settings"
 }