Improve usage examples in the readme

Author: sindresorhus

package.json

@@ -1,45 +1,45 @@
 {
-  "name": "gh-got",
-  "version": "7.0.0",
-  "description": "Convenience wrapper for Got to interact with the GitHub API",
-  "license": "MIT",
-  "repository": "sindresorhus/gh-got",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "scripts": {
-    "test": "xo && ava"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "got",
-    "gh",
-    "github",
-    "api",
-    "request",
-    "http",
-    "https",
-    "get",
-    "url",
-    "uri",
-    "util",
-    "utility"
-  ],
-  "dependencies": {
-    "got": "^8.0.0",
-    "is-plain-obj": "^1.1.0"
-  },
-  "devDependencies": {
-    "ava": "*",
-    "get-stream": "^3.0.0",
-    "nock": "^9.1.0",
-    "xo": "*"
-  }
+	"name": "gh-got",
+	"version": "7.0.0",
+	"description": "Convenience wrapper for `got` to interact with the GitHub API",
+	"license": "MIT",
+	"repository": "sindresorhus/gh-got",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=4"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"got",
+		"gh",
+		"github",
+		"api",
+		"request",
+		"http",
+		"https",
+		"get",
+		"url",
+		"uri",
+		"util",
+		"utility"
+	],
+	"dependencies": {
+		"got": "^8.0.0",
+		"is-plain-obj": "^1.1.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"get-stream": "^3.0.0",
+		"nock": "^9.1.0",
+		"xo": "*"
+	}
 }

readme.md

@@ -18,38 +18,44 @@ Instead of:
 const got = require('got');
 const token = 'foo';
 
-got('https://api.github.com/users/sindresorhus', {
-	json: true,
-	headers: {
-		'accept': 'application/vnd.github.v3+json',
-		'authorization': `token ${token}`
-	}
-}).then(res => {
-	console.log(res.body.login);
+(async () => {
+	const {body} = await got('https://api.github.com/users/sindresorhus', {
+		json: true,
+		headers: {
+			'accept': 'application/vnd.github.v3+json',
+			'authorization': `token ${token}`
+		}
+	});
+
+	console.log(body.login);
 	//=> 'sindresorhus'
-});
+})();
 ```
 
 You can do:
 
 ```js
 const ghGot = require('gh-got');
 
-ghGot('users/sindresorhus', {token: 'foo'}).then(res => {
-	console.log(res.body.login);
+(async () => {
+	const {body} = await ghGot('users/sindresorhus', {token: 'foo'});
+
+	console.log(body.login);
 	//=> 'sindresorhus'
-});
+})();
 ```
 
 Or:
 
 ```js
 const ghGot = require('gh-got');
 
-ghGot('https://api.github.com/users/sindresorhus', {token: 'foo'}).then(res => {
-	console.log(res.body.login);
+(async () => {
+	const {body} = await ghGot('https://api.github.com/users/sindresorhus', {token: 'foo'});
+
+	console.log(body.login);
 	//=> 'sindresorhus'
-});
+})();
 ```