MQE-622: Update CHANGELOG.md formatting

Author: okolesnyk

CHANGELOG.md

@@ -0,0 +1,24 @@
+# MFTF Version 1.0 - Changelog
+
+## Initial commit of MFTF v1.0.0
+
+### Core Features:
+
+* **Traceability** for clear logging and reporting capabilities
+* **Modularity** to run tests based on modules/extensions installed
+* **Customizability** to have an ability to customize existed tests
+* **Readability** using clear declarative XML test steps
+* **Maintainability** based on simple test creation and overall structure
+
+### Supported Systems
+
+* OS
+  * Windows 10
+  * OSX (Sierra)
+* Browser
+  * Chrome (Latest) with ChromeDriver Latest
+
+### Known Issues
+
+* Support for Firefox is currently incomplete. This will be resolved to support Firefox 57 (Quantum) and latest Gecko driver in next minor release.
+* MAGENTO_BASE_URL in .env file must have final "/" e.g. "http://magento.com/"