Add direct pub.dev package links (#472)

Author: glenn-jocher

README.md

@@ -40,9 +40,11 @@ The main goal is simple integration: use an official model ID, or drop in your o
 
 Install the package:
 
+Package: https://pub.dev/packages/ultralytics_yolo
+
 ```yaml
 dependencies:
-  ultralytics_yolo: ^0.2.0
+  ultralytics_yolo: ^0.3.0
 ```
 
 ```bash

README.zh-CN.md

@@ -40,9 +40,11 @@ Ultralytics YOLO Flutter 是官方 Flutter 插件，用于在 iOS 和 Android 
 
 安装插件：
 
+插件地址：https://pub.dev/packages/ultralytics_yolo
+
 ```yaml
 dependencies:
-  ultralytics_yolo: ^0.2.0
+  ultralytics_yolo: ^0.3.0
 ```
 
 ```bash

doc/install.md

@@ -12,11 +12,13 @@ Get the Ultralytics YOLO Flutter plugin up and running in your project with this
 
 Add the plugin to your Flutter project's `pubspec.yaml`:
 
+Package: https://pub.dev/packages/ultralytics_yolo
+
 ```yaml
 dependencies:
   flutter:
     sdk: flutter
-  ultralytics_yolo: ^0.2.0 # Latest version
+  ultralytics_yolo: ^0.3.0 # Latest version
 ```
 
 Run the installation command:

doc/quickstart.md

@@ -29,11 +29,13 @@ cd yolo_demo
 
 Add to `pubspec.yaml`:
 
+Package: https://pub.dev/packages/ultralytics_yolo
+
 ```yaml
 dependencies:
   flutter:
     sdk: flutter
-  ultralytics_yolo: ^0.2.0
+  ultralytics_yolo: ^0.3.0
   image_picker: ^1.2.1 # For image selection
 ```