new: add warning to the wiki

wiki/main.json

@@ -2,5 +2,5 @@
   "id": "main",
   "title": "Welcome to MatterLinux wiki!",
   "author": "ngn",
-  "date": "19/06/24"
+  "date": "09/07/24"
 }

wiki/main.md

@@ -1,6 +1,12 @@
 You can use this page as a catalog, it will let you discover other pages. If you want to
 edit a page or create a new page, make a [pull request](/wiki/contribute) to [content](https://git.matterlinux.xyz/matter/content) repository.
 
+> **Important!**
+
+> Due to ongoing package system rework, the `Packaging` section is currently in a messy state 
+> and may contain misinformation or missing links, [please see this post](/news/important_update).
+
+
 ## Installation
 | Name                                    | Description                                     |
 | --------------------------------------- | ----------------------------------------------- |