chore: add @vant/stylelint-config package (#4943)

packages/vant-stylelint-config/README.md

@@ -0,0 +1,23 @@
+# Stylelint Config of Vant
+
+## Install
+
+#### NPM
+
+```shell
+npm i @vant/stylelint-config -D
+```
+
+#### YARN
+
+```shell
+yarn add @vant/stylelint-config --dev
+```
+
+## Usage
+
+```js
+{
+  "extends": ["@vant/stylelint-config"]
+}
+```

packages/vant-stylelint-config/index.js

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+module.exports = {
+  extends: ['stylelint-config-standard', 'stylelint-config-rational-order'],
+  rules: {
+    'order/properties-order': [],
+    'at-rule-no-unknown': null,
+    'number-leading-zero': null,
+    'no-descending-specificity': null,
+    'declaration-colon-newline-after': null,
+    'font-family-no-missing-generic-family-keyword': null
+  }
+};

packages/vant-stylelint-config/package.json

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+{
+  "name": "@vant/stylelint-config",
+  "version": "1.0.0",
+  "description": "stylelint config of vant.",
+  "main": "index.js",
+  "publishConfig": {
+    "access": "public"
+  },
+  "license": "MIT",
+  "repository": "https://github.com/youzan/vant/tree/dev/packages/vant-stylelint-config",
+  "peerDependencies": {
+    "stylelint": "^11.0.0"
+  },
+  "dependencies": {
+    "stylelint-config-rational-order": "^0.1.2",
+    "stylelint-config-standard": "^19.0.0",
+    "stylelint-order": "^3.1.1"
+  }
+}