Add intro to profiles.md and update Gml-Backend links

Added a brief introduction to the profiles.md file to clarify its content. Simplified the Gml-Backend.topic structure by removing redundant text from the Minecraft versions link.

Author: Gamer-VII

Writerside/topics/Gml-Backend.topic

@@ -17,7 +17,7 @@
         <primary>
             <title>Разделы</title>
             <a href="getting-started.md">Описание проекта</a>
-            <a href="allowed-minecraft-versions.md">Поддерживаемые версии Minecraft</a>
+            <a href="allowed-minecraft-versions.md"/>
         </primary>
 
         <secondary>

Writerside/topics/profiles.md

@@ -1,5 +1,7 @@
 # Игровые профили
 
+Информация по игровым профилям
+
 [](profiles-create.md)
 
 [](profiles-download.md)