Add org invite to the README

Author: igorpecovnik

.github/workflows/invite-contributors.yml

@@ -1,4 +1,4 @@
-name: Invite Recent Contributors to organization
+name: Invite Recent Contributors to ORG
 on:
   schedule:
     - cron: '0 0 * * 0'  # Weekly

README.md

@@ -22,3 +22,4 @@ It prepares several data exchange files.
 | Pull excerpts from Armbian Jira|<a href=https://github.com/armbian/armbian.github.io/actions/workflows/generate-jira-excerpt.yml><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/armbian/armbian.github.io/generate-jira-excerpt.yml?logo=githubactions&label=Status&style=for-the-badge&branch=main"></a>|
 | [Wireless performance testing](https://docs.armbian.com/WifiPerformance/) |<a href=https://github.com/armbian/armbian.github.io/actions/workflows/wireless-performance-autotest.yml><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/armbian/armbian.github.io/wireless-performance-autotest.yml?logo=githubactions&label=Status&style=for-the-badge&branch=main"></a>|
 | Mirror repository artifacts to our CDN |<a href=https://github.com/armbian/armbian.github.io/actions/workflows/mirror.yml><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/armbian/armbian.github.io/mirror.yml?logo=githubactions&label=Status&style=for-the-badge&branch=main"></a>|
+| Invite recent contributors to organization |<a href=https://github.com/armbian/armbian.github.io/actions/workflows/invite-contributors.yml><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/armbian/armbian.github.io/invite-contributors.yml?logo=githubactions&label=Status&style=for-the-badge&branch=main"></a>|