add an example

Author: waseemdev

README.md

@@ -51,6 +51,11 @@ Extension features:
 * Customizable! so developers can add their own properties and modify some features.
 * Supports Code completion, hover information, Go to Definition, diagnostics and code actions.
 
+
+## Example
+[Here is a working example](https://github.com/waseemdev/flutter_xmllayout_example)
+
+
 # Get Started
 
 1. Install the extension from [vscode marketplace](https://marketplace.visualstudio.com/items?itemName=WaseemDev.flutter-xml-layout)

docs/custom-properties.md

@@ -235,7 +235,7 @@ StreamBuilder(
 ### 5. :itemBuilder
 It's a custom `builder` property made specifically for `ListView` and `GridView`. the following code is exactly the same as the previous `builder` example:
 ```XML
-<ListView :itemBuilder="item of ctrl.items | stream">
+<ListView :use="builder" :itemBuilder="item of ctrl.items | stream">
     <Text text="item.title" />
 </ListView>
 ```