docs: Added shields

Author: dploeger

README.md

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 # confluence-outdated - Constant validation of Confluence document outdates
 
+[![Build Status](https://travis-ci.org/dodevops/confluence-outdated.svg?branch=master)](https://travis-ci.org/dodevops/confluence-outdated) ![npm](https://img.shields.io/npm/v/confluence-outdated)
+
 ## Introduction
 
 _confluence-outdated_ searches a Confluence space for documents that haven't been updated for a specified time and