perf: [antd] default placeholder for input and select components (#4551)

* chore: demo of customizing form layout using tailwind

* perf: default placeholder for input and select components

* chore: update ts type

* chore: extract public methods

packages/locales/src/langs/en-US.json

@@ -58,6 +58,10 @@
     "required": "Please enter {0}",
     "selectRequired": "Please select {0}"
   },
+  "placeholder": {
+    "input": "Please enter",
+    "select": "Please select"
+  },
   "widgets": {
     "document": "Document",
     "qa": "Q&A",

packages/locales/src/langs/zh-CN.json

@@ -58,6 +58,10 @@
     "required": "请输入{0}",
     "selectRequired": "请选择{0}"
   },
+  "placeholder": {
+    "input": "请输入",
+    "select": "请选择"
+  },
   "widgets": {
     "document": "文档",
     "qa": "问题 & 帮助",