docs(readme): Add more declarative documentation

Author: adambrgmn

README.md

@@ -8,7 +8,11 @@
 
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
+* [Installation](#installation)
+* [Setup](#setup)
+* [Contributions](#contributions)
 * [Contributors](#contributors)
+* [License](#license)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
@@ -52,6 +56,16 @@ If you don't know or want to work on all environments you can use the
 environment `"extendscript/extendscript"` instead. This will give you all
 environment globals form all the ExtendScript environments.
 
+```js
+{
+  "extends": "eslint:recommended", // or any other presets
+  "plugins": ["extendscript"],
+  "env": {
+    "extendscript/extendscript": true, // All available globals
+  }
+}
+```
+
 ## Contributions
 
 Contributions are more than welcome. Especially if you like to add more