Dev (#2)

* feat: svelte example for setting pannel

* Must destroy svelte

* onDestroy

* Make hello easy

* 拷贝官方的代码功能

* Use hello both in tab and dialog

* fix: destroy dock

src/i18n/zh_CN.json

@@ -1,3 +1,12 @@
 {
-    "name": "思源"
+    "addTopBarIcon": "使用插件添加一个顶栏按钮",
+    "cancel": "取消",
+    "save": "保存",
+    "byeMenu": "再见，菜单！",
+    "helloPlugin": "你好，插件！",
+    "byePlugin": "再见，插件！",
+    "name": "思源",
+    "hello": {
+        "makesure": "使用这个模板之前，请阅读<a href=\"https://github.com/siyuan-note/plugin-sample\">官方教程</a>, 确保自己已经理解了插件的基本开发流程。"
+    }
 }