Better plugin docs

Author: owen-m1

README.md

@@ -15,13 +15,13 @@ Supported by [<img width="100px" src="https://user-images.githubusercontent.com/
  * Smart auto-scrolling
  * Advanced swap detection
  * Smooth animations
- * [Multi-drag](https://github.com/SortableJS/Sortable/wiki/Dragging-Multiple-Items-in-Sortable) support
+ * [Multi-drag](https://github.com/SortableJS/Sortable/tree/master/plugins/MultiDrag) support
  * Built using native HTML5 drag and drop API
  * Supports
    * [Meteor](https://github.com/SortableJS/meteor-sortablejs)
    * Angular
      * [2.0+](https://github.com/SortableJS/angular-sortablejs)
-     * [1.*](https://github.com/SortableJS/angular-legacy-sortablejs)
+     * [1.&ast;](https://github.com/SortableJS/angular-legacy-sortablejs)
    * React
      * [ES2015+](https://github.com/SortableJS/react-sortablejs)
      * [Mixin](https://github.com/SortableJS/react-mixin-sortablejs)
@@ -31,6 +31,7 @@ Supported by [<img width="100px" src="https://user-images.githubusercontent.com/
    * [Ember](https://github.com/SortableJS/ember-sortablejs)
  * Supports any CSS library, e.g. [Bootstrap](#bs)
  * Simple API
+ * Support for [plugins](#plugins)
  * [CDN](#cdn)
  * No jQuery required (but there is [support](https://github.com/SortableJS/jquery-sortablejs))
 
@@ -719,6 +720,19 @@ Mounts a plugin to Sortable.
 ---
 
 
+### Plugins
+#### Extra Plugins (included in complete versions)
+ - [MultiDrag](https://github.com/SortableJS/Sortable/tree/master/plugins/MultiDrag)
+ - [Swap](https://github.com/SortableJS/Sortable/tree/master/plugins/Swap)
+
+#### Default Plugins (included in default versions)
+ - [AutoScroll](https://github.com/SortableJS/Sortable/tree/master/plugins/AutoScroll)
+ - [OnSpill](https://github.com/SortableJS/Sortable/tree/master/plugins/OnSpill)
+
+
+---
+
+
 <a name="cdn"></a>
 ### CDN
 

plugins/AutoScroll/README.md

@@ -10,6 +10,17 @@ Demo:
 ---
 
 
+### Mounting
+```js
+import { Sortable, AutoScroll } from 'sortablejs';
+
+Sortable.mount(new AutoScroll());
+```
+
+
+---
+
+
 ### Options
 
 ```js

plugins/MultiDrag/README.md

@@ -9,6 +9,17 @@ Demo: https://jsbin.com/wopavom/edit?js,output
 ---
 
 
+### Mounting
+```js
+import { Sortable, MultiDrag } from 'sortablejs';
+
+Sortable.mount(new MultiDrag());
+```
+
+
+---
+
+
 ### Options
 
 ```js

plugins/OnSpill/README.md

@@ -6,6 +6,17 @@ This file contains two seperate plugins, RemoveOnSpill and RevertOnSpill. They c
 ---
 
 
+### Mounting
+```js
+import { Sortable, OnSpill } from 'sortablejs';
+
+Sortable.mount(OnSpill);
+```
+
+
+---
+
+
 ## RevertOnSpill Plugin
 This plugin, when enabled, will cause the dragged item to be reverted to it's original position if it is spilled (ie. it is dropped outside of a valid Sortable drop target)
 

plugins/Swap/README.md

@@ -7,6 +7,17 @@ Demo: https://jsbin.com/yejehog/edit?html,js,output
 ---
 
 
+### Mounting
+```js
+import { Sortable, Swap } from 'sortablejs';
+
+Sortable.mount(new Swap());
+```
+
+
+---
+
+
 ### Options
 
 ```js