Added README section on use with eslint:reccomended preset

Author: matt-fidd

README.md

@@ -21,3 +21,17 @@ Once the `@matt-fidd/eslint-config` package is installed, you can use it by addi
 }
 ```
 
+### Using this config in conjunction with `eslint:recommended`
+
+To work properly, this rule set is designed to be used alongside the `eslint:reccommended` rule set. To do this, simply define them both inside the [`extends`](http://eslint.org/docs/user-guide/configuring#extending-configuration-files) section of your [ESLint configuration](http://eslint.org/docs/user-guide/configuring).
+
+```js
+{
+	...
+	"extends": [
+		"eslint:recommended",
+		"@matt-fidd"
+	],
+	...
+}
+```