Update README.md

Author: fernandocode

README.md

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+[![npm version](https://badge.fury.io/js/ionic-database-builder.svg/?a=1)](https://www.npmjs.com/package/ionic-database-builder)
+[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/fernandocode/ionic-database-builder/issues)
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 # ionic-database-builder
 Extended library from [database-builder](https://github.com/fernandocode/database-builder) to assist in creating and maintaining SQL commands with integrate execute commands in SQLite ('@ionic-native/sqlite').