Create README.md

Author: koddsson

README.md

@@ -0,0 +1,29 @@
+# prettier-config
+Prettier config used at GitHub
+
+## Usage
+
+Install the package using `npm` (or `yarn`)
+
+```sh
+npm install --save-dev @github/prettier-config
+```
+
+Add the `prettier` key to your `package.json`
+
+```diff
+diff --git a/package.json b/package.json
+index 2ecef3d..260838f 100644
+--- a/package.json
++++ b/package.json
+@@ -5,6 +5,7 @@
+   "keywords": [
+     "prettier"
+   ],
++  "prettier": "@github/prettier-config",
+   "license": "MIT",
+   "author": "GitHub Inc.",
+   "main": "index.js"
+ ```
+ 
+ [Check out the `prettier` documentation for more info on sharing configurations](https://prettier.io/docs/en/configuration.html#sharing-configurations).