Update README.md: instantiation

README.md

@@ -132,9 +132,34 @@ Helper functions for dealing with concurrent requests.
 ##### axios.all(iterable)
 ##### axios.spread(callback)
 
+### Creating an instance
+
+You can create a new instance of axios with a custom config.
+
+##### axios.create([config])
+
+```js
+var instance = axios.create({
+  timeout: 1000,
+  headers: {'X-Custom-Header': 'foobar'}
+});
+```
+
+### Instance methods
+
+The available instance methods are listed below. The specified config will be merged with the instance config.
+
+##### axios#request(config)
+##### axios#get(url[, config])
+##### axios#delete(url[, config])
+##### axios#head(url[, config])
+##### axios#post(url[, data[, config]])
+##### axios#put(url[, data[, config]])
+##### axios#patch(url[, data[, config]])
+
 ## Request API
 
-This is the available config options for making requests. Only the `url` is required. Requests will default to `GET` if `method` is not specified.
+These are the available config options for making requests. Only the `url` is required. Requests will default to `GET` if `method` is not specified.
 
 ```js
 {
@@ -269,6 +294,13 @@ var myInterceptor = axios.interceptors.request.use(function () {/*...*/});
 axios.interceptors.request.eject(myInterceptor);
 ```
 
+You can add interceptors to a custom instance of axios.
+
+```js
+var instance = axios.create();
+instance.interceptors.request.use(function () {/*...*/});
+```
+
 ## Handling Errors
 
 ```js