adding note about stimulus-bridge v2

Author: weaverryan

src/Chartjs/README.md

@@ -17,6 +17,9 @@ yarn install --force
 yarn encore dev
 ```
 
+Also make sure you have at least version 2 of [@symfony/stimulus-bridge](https://github.com/symfony/stimulus-bridge)
+in your `package.json` file.
+
 ## Usage
 
 To use Symfony UX Chart.js, inject the `ChartBuilderInterface` service and

src/Cropperjs/README.md

@@ -17,6 +17,9 @@ yarn install --force
 yarn encore dev
 ```
 
+Also make sure you have at least version 2 of [@symfony/stimulus-bridge](https://github.com/symfony/stimulus-bridge)
+in your `package.json` file.
+
 ## Usage
 
 To use Symfony UX Cropper.js, inject the `CropperInterface` service,

src/Dropzone/README.md

@@ -20,6 +20,9 @@ yarn install --force
 yarn encore dev
 ```
 
+Also make sure you have at least version 2 of [@symfony/stimulus-bridge](https://github.com/symfony/stimulus-bridge)
+in your `package.json` file.
+
 ## Usage
 
 The most common usage of Symfony UX Dropzone is to use it as a drop-in replacement of

src/LazyImage/README.md

@@ -22,6 +22,9 @@ yarn install --force
 yarn encore dev
 ```
 
+Also make sure you have at least version 2 of [@symfony/stimulus-bridge](https://github.com/symfony/stimulus-bridge)
+in your `package.json` file.
+
 ## Usage
 
 The default usage of Symfony UX LazyImage is to use its Stimulus controller to first load

src/Swup/README.md

@@ -21,6 +21,9 @@ yarn install --force
 yarn encore dev
 ```
 
+Also make sure you have at least version 2 of [@symfony/stimulus-bridge](https://github.com/symfony/stimulus-bridge)
+in your `package.json` file.
+
 ## Usage
 
 In order to implement page transitions, Swup works by transforming the links of your