chore: update readme

Author: anubra266

README.md

@@ -133,6 +133,29 @@ Where rules are included in the configs `recommended`, or `all` it is indicated
 | [`@pandacss/prefer-composite-properties`](docs/rules/prefer-composite-properties.md) ⚙️  |               |
 | [`@pandacss/prefer-unified-property-style`](docs/rules/prefer-unified-property-style.md) |               |
 
+### Whitelisting rules
+
+All the rules that prevent you from using certain properties can be whitelisted using the `whitelist` option.
+
+```json
+{
+  "rules": {
+     "@pandacss/no-hardcoded-color": [
+      "error",
+      {
+        "whitelist": ["inherit", "currentColor"]
+      }
+    ]
+    "@pandacss/no-margin-properties": [
+      "error",
+      {
+        "whitelist": ["margin-top", "margin-bottom"]
+      }
+    ]
+  }
+}
+```
+
 ## Settings
 
 ### `configPath`