update description: the project is in minimal maintenance mode (#440)

README.md

@@ -8,6 +8,9 @@
 
 **A curated list of amazingly awesome Free and Open-Source sysadmin resources.** Please read the [Pull Request template](./.github/PULL_REQUEST_TEMPLATE.md) if you wish to add software and consider [donating](https://github.com/n1trux/awesome-donations) to the FLOSS projects you use regularly.
 
+**The project is in minimal maintenance mode** until clear criteria for _awesomeness_ are defined. Please see [this discussion](https://github.com/awesome-foss/awesome-sysadmin/pull/357) and provide constructive feedback if your time allows.
+
+
 --------------------
 
 ## Table of contents