Merge branch '6.1' into 6.2

* 6.1:
  [Symfony UX] reference React component in React page
  [Symfony UX] reference Vue component in VueJs page
  Reword "max lifetime" to "default lifetime"

Author: javiereguiluz

components/cache/adapters/chain_adapter.rst

@@ -12,7 +12,7 @@ This adapter allows combining any number of the other
 fetched from the first adapter containing them and cache items are saved to all the
 given adapters. This exposes a simple and efficient method for creating a layered cache.
 
-The ChainAdapter must be provided an array of adapters and optionally a maximum cache
+The ChainAdapter must be provided an array of adapters and optionally a default cache
 lifetime as its constructor arguments::
 
     use Symfony\Component\Cache\Adapter\ChainAdapter;
@@ -21,8 +21,8 @@ lifetime as its constructor arguments::
         // The ordered list of adapters used to fetch cached items
         array $adapters,
 
-        // The max lifetime of items propagated from lower adapters to upper ones
-        $maxLifetime = 0
+        // The default lifetime of items propagated from lower adapters to upper ones
+        $defaultLifetime = 0
     );
 
 .. note::

frontend/encore/reactjs.rst

@@ -6,6 +6,10 @@ Enabling React.js
 
     Do you prefer video tutorials? Check out the `React.js screencast series`_.
 
+.. tip::
+
+    Check out live demos of Symfony UX React component at `https://ux.symfony.com/react`_!
+    
 Using React? First add some dependencies with Yarn:
 
 .. code-block:: terminal
@@ -36,3 +40,4 @@ Encore, you're done!
 Your ``.js`` and ``.jsx`` files will now be transformed through ``babel-preset-react``.
 
 .. _`React.js screencast series`: https://symfonycasts.com/screencast/reactjs
+.. _`https://ux.symfony.com/react`: https://ux.symfony.com/react

frontend/encore/vuejs.rst

@@ -6,6 +6,10 @@ Enabling Vue.js (``vue-loader``)
 
     Do you prefer video tutorials? Check out the `Vue screencast series`_.
 
+.. tip::
+
+    Check out live demos of Symfony UX Vue.js component at `https://ux.symfony.com/vue`_!
+    
 Want to use `Vue.js`_? No problem! First enable it in ``webpack.config.js``:
 
 .. code-block:: diff
@@ -212,3 +216,4 @@ following in your Twig templates:
 .. _`Scoped Styles`: https://vue-loader.vuejs.org/guide/scoped-css.html
 .. _`CSS Modules`: https://github.com/css-modules/css-modules
 .. _`Vue screencast series`: https://symfonycasts.com/screencast/vue
+.. _`https://ux.symfony.com/vue`: https://ux.symfony.com/vue