feat: add edit button demo, close #162

Author: QingWei-Li

docs/de-de/write-a-plugin.md

@@ -47,6 +47,8 @@ window.$docsify = {
 
 ## Beispiel
 
+### footer
+
 Füge jeder Seite eine footer Komponente hinzu:
 
 ```js
@@ -68,3 +70,25 @@ window.$docsify = {
   ]
 }
 ```
+
+
+### Edit Button
+
+```js
+window.$docsify = {
+  plugins: [
+    function(hook, vm) {
+      hook.beforeEach(function (html) {
+        var url = 'https://github.com/QingWei-Li/docsify/blob/master' + vm.router.getFile()
+        var editHtml = '[📝 EDIT DOCUMENT](' + url + ')\n'
+
+        return editHtml
+          + html
+          + '\n----\n'
+          + 'Last modified {docsify-updated} '
+          + editHtml
+      })
+    }
+  ]
+}
+```

docs/write-a-plugin.md

@@ -47,6 +47,8 @@ window.$docsify = {
 
 ## Example
 
+#### footer
+
 Add footer component in each pages.
 
 ```js
@@ -68,3 +70,24 @@ window.$docsify = {
   ]
 }
 ```
+
+### Edit Button
+
+```js
+window.$docsify = {
+  plugins: [
+    function(hook, vm) {
+      hook.beforeEach(function (html) {
+        var url = 'https://github.com/QingWei-Li/docsify/blob/master' + vm.router.getFile()
+        var editHtml = '[📝 EDIT DOCUMENT](' + url + ')\n'
+
+        return editHtml
+          + html
+          + '\n----\n'
+          + 'Last modified {docsify-updated} '
+          + editHtml
+      })
+    }
+  ]
+}
+```

docs/zh-cn/write-a-plugin.md

@@ -46,6 +46,9 @@ window.$docsify = {
 
 ## 例子
 
+
+### footer
+
 给每个页面的末尾加上 `footer`
 
 ```js
@@ -66,4 +69,26 @@ window.$docsify = {
     }
   ]
 }
+```
+
+
+### Edit Button
+
+```js
+window.$docsify = {
+  plugins: [
+    function(hook, vm) {
+      hook.beforeEach(function (html) {
+        var url = 'https://github.com/QingWei-Li/docsify/blob/master' + vm.router.getFile()
+        var editHtml = '[📝 EDIT DOCUMENT](' + url + ')\n'
+
+        return editHtml
+          + html
+          + '\n----\n'
+          + 'Last modified {docsify-updated} '
+          + editHtml
+      })
+    }
+  ]
+}
 ```