docs(config) move sockPort option alphabetically to socket options group

Author: EugeneHlushko

src/content/configuration/dev-server.md

@@ -1192,6 +1192,23 @@ module.exports = {
 };
 ```
 
+## `devServer.sockPort`
+
+`number` `string`
+
+Tells `devServer` to use provided socket port.
+
+__webpack.config.js__
+
+```javascript
+module.exports = {
+  //...
+  devServer: {
+    sockPort: 8080
+  }
+};
+```
+
 
 ## `devServer.staticOptions`
 
@@ -1353,20 +1370,3 @@ module.exports = {
   }
 };
 ```
-
-## `devServer.sockPort`
-
-`number` `string`
-
-Tells `devServer` to use provided socket port.
-
-__webpack.config.js__
-
-```javascript
-module.exports = {
-  //...
-  devServer: {
-    sockPort: 8080
-  }
-};
-```