📚 Add installation and usage in README

README.md

@@ -1,2 +1,40 @@
 # babel-plugin-transform-typescript-metadata
+
+[![Travis (.com)](https://img.shields.io/travis/com/leonardfactory/babel-plugin-transform-typescript-metadata.svg)](https://travis-ci.com/leonardfactory/babel-plugin-transform-typescript-metadata)
+[![Codecov](https://img.shields.io/codecov/c/github/leonardfactory/babel-plugin-transform-typescript-metadata.svg)](https://codecov.io/gh/leonardfactory/babel-plugin-transform-typescript-metadata)
+[![npm](https://img.shields.io/npm/v/babel-plugin-transform-typescript-metadata.svg?style=popout)](https://www.npmjs.com/package/babel-plugin-transform-typescript-metadata)
+
 Babel plugin to emit decorator metadata like typescript compiler
+
+## Installation
+
+With npm:
+
+```sh
+npm install --dev --save babel-plugin-transform-typescript-metadata
+```
+
+or with Yarn:
+
+```sh
+yarn add --dev babel-plugin-transform-typescript-metadata
+```
+
+## Usage
+
+With `.babelrc`:
+
+> **Note:** should be placed **before** `@babel/plugin-proposal-decorators`.
+
+```js
+{
+  "plugins": [
+    "babel-plugin-transform-typescript-metadata",
+    ["@babel/plugin-proposal-decorators", { "legacy": true }],
+    ["@babel/plugin-proposal-class-properties", { "loose": true }],
+  ],
+  "presets": [
+    "@babel/preset-typescript"
+  ]
+}
+```