docs: Update contributing guide (#14800)

.github/CONTRIBUTING.en-US.md

@@ -43,7 +43,7 @@ npm run dev
 # open http://localhost:8085
 ```
 
-> **Notice**: modify `examples/play/index.vue` file, use the component you contribute, then run `npm run dev:play`, go ahead http://localhost:8085, get result, more quickly and friendly.
+> **Notice**: modify `examples/play/index.vue` file, use the component you contribute, then run `npm run dev:play`, go ahead [http://localhost:8085](http://localhost:8085), get result, more quickly and friendly.
 
 To build:
 

.github/CONTRIBUTING.es.md

@@ -47,7 +47,7 @@ npm run dev
 # abra http://localhost:8085
 ```
 
-> **Notice**: modify `examples/play/index.vue` file, use the component you contribute, then run `npm run dev:play`, go ahead http://localhost:8085, get result, more quickly and friendly.
+> **Notice**: modify `examples/play/index.vue` file, use the component you contribute, then run `npm run dev:play`, go ahead [http://localhost:8085](http://localhost:8085), get result, more quickly and friendly.
 
 Para armar:
 

.github/CONTRIBUTING.fr-FR.md

@@ -43,7 +43,7 @@ npm run dev
 # open http://localhost:8085
 ```
 
-> **Remarque** : modifiez le fichier `examples/play/index.vue`, utilisez le composant auquel vous contribuez, puis lancez `npm run dev:play`, allez sur http://localhost:8085, regardez le résultat rapidement et facilement.
+> **Remarque** : modifiez le fichier `examples/play/index.vue`, utilisez le composant auquel vous contribuez, puis lancez `npm run dev:play`, allez sur [http://localhost:8085](http://localhost:8085), regardez le résultat rapidement et facilement.
 
 Pour le build:
 

.github/CONTRIBUTING.zh-CN.md

@@ -41,7 +41,7 @@ npm run dev
 # open http://localhost:8085
 ```
 
-> **提示**：可以运行 `npm run dev:play`，修改 `examples/play/index.vue` 文件，调用你修改后的组件，仍然访问 http://localhost:8085，查看修改效果，更快更方便。
+> **提示**：可以运行 `npm run dev:play`，修改 `examples/play/index.vue` 文件，调用你修改后的组件，仍然访问 [http://localhost:8085](http://localhost:8085)，查看修改效果，更快更方便。
 
 打包代码：