Added ELevate Changelog (#500)

* Added ELevate Changelog

* updated release date

* Typo

docs/.vuepress/config.js

@@ -278,6 +278,7 @@ module.exports = {
                 '/elevate/ELevate-NG-testing-guide',
                 '/elevate/ELevate-frequent-issues',
                 '/elevate/Contribution-guide',
+                '/elevate/Changelog',                
               ]
            },
          ]

docs/elevate/Changelog.md

@@ -0,0 +1,22 @@
+---
+title: 'ELevate Changelog'
+---
+
+###### last updated: 2024-09-24
+
+# ELevate Changelog
+
+**Note**, this changelog only includes updates made from 2024-09-24 onwards, and does not include any changes made prior to this date.
+
+## 2024-09-24
+Released from Testing to Stable:
+* Added **Microsoft Linux Package Repositories** support for all supported operating systems.
+* Added **Docker CE** support for all supported operating systems.
+* leapp-repository rebased to upstream version [**0.21.0**](https://github.com/oamg/leapp-repository/releases/tag/v0.21.0).
+* leapp rebased to upstream version [**0.18.0**](https://github.com/oamg/leapp/releases/tag/v0.18.0).
+* leapp-data:
+  * Switch CentOS Stream9 repositories from mirrorlist into baseurl at [mirror.stream.centos.org](https://mirror.stream.centos.org/).
+
+## Get Help
+
+For more help and assistance reach out to us in the ~migration channel on the [AlmaLinux Community Chat](https://chat.almalinux.org/almalinux/channels/migration).