feat: add reize components & demo (#4862)

* feat: resize component

* chore: change positon of resize components

* feat: add resize demo

* chore: resize demo completed

* chore: fix display number

* chore: add infer comment

* fix: move reszie demo to examples

* fix: fix icon & removed scss

playground/src/locales/langs/zh-CN/examples.json

@@ -9,6 +9,9 @@
   "ellipsis": {
     "title": "文本省略"
   },
+  "resize": {
+    "title": "拖动调整"
+  },
   "form": {
     "title": "表单",
     "basic": "基础表单",