move changelog to

CHANGELOG.md

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+# Changelog
+
+- 2015-04-02 
+  - enh: code enhancement, plugin should now work with OSMap too!
+- 2014-02-24 
+  - enh: changed ordering in News-Sitemaps
+- 2013-10-18 
+  - new: News-Sitemap support
+- 2013-09-21 
+  - fix: missing slug in links if SEF enabled
+- 2013-08-19 
+  - fix: language configurations are considered
+- 2013-08-12 
+  - new: user view support
+  - new: tag view support
+- 2013-07-28 
+  - new: complety rewriten
+  - new: public release
+

README.md

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+# Xmap - K2 Extension for Joomla
+
+![](https://img.shields.io/static/v1?label=Joomla&message=3.X&style=flat&logo=joomla&logoColor=orange&color=blue)
+![](https://img.shields.io/github/release/z-index-net/joomla-plugin-xmap-k2.svg)
+![](https://img.shields.io/github/downloads/z-index-net/joomla-plugin-xmap-k2/total.svg)
+![](https://img.shields.io/badge/Maintained%3F-no-red.svg)
+![](https://img.shields.io/github/license/z-index-net/joomla-plugin-xmap-k2.svg)
+
+Supported views are extended: Categories, Tags, Users
+
+### Notes
+We developed this plugin completely new because the existing extension is totally outdated (e.g. wrong Itemid selection) and was only migrated from the Joomla 1.5 version.
+
+### Preview
+
+![Screenshot](./screenshots/plg_xmap_com_k2.png?raw=true)
+