docs(package): add badges to readme and license text

Author: cmurczek-it

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 iteratec GmbH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,6 +1,8 @@
 # @iteratec/semantic-release-docker
 
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
+[![npm-latest](https://img.shields.io/npm/v/@iteratec/semantic-release-docker/latest.svg)](https://www.npmjs.com/package/@iteratec/semantic-release-docker)
+[![npm](https://img.shields.io/npm/l/express.svg)](https://www.npmjs.com/package/@iteratec/semantic-release-docker)
 
 A [semantic-release](https://github.com/semantic-release/semantic-release) plugin to use semantic versioning for docker images.