add changelog and readme

Author: nadar

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+1.0.0 (28. May 2017)
+--------------------
+
++ Added tab fixer.
+
+1.0.0 (13. May 2017)
+--------------------
+
++ First release.

README.md

@@ -3,7 +3,7 @@
 Fixing Markdown Files
 
 + Find Breaking Spaces in Markdown Files and replace them with normal Space. As GitHub Markdown Renderer does correctly render Markdown Tags with Breaking Spaces. https://github.com/github/markup/issues/1054#issuecomment-300061967
-+ Replace Tabs with 4 spaces
++ Replace Tabs with 4 spaces.
 
 ## Usage