Document PSR-6 cache adapters

README.md

@@ -57,6 +57,30 @@ twig_cache:
     service: cache_service # instance of Doctrine\Common\Cache\Cache
 ```
 
+Another option is to configure one of the PSR-6 Cache pool implementations 
+by changing the default adapter class to the `PsrCacheAdapter`. 
+
+```yml
+# parameters.yml
+twig_cache.adapter.class: Asm89\Twig\CacheExtension\CacheProvider\PsrCacheAdapter
+```
+
+After that any cache pool that implements the `CacheItemPoolInterface` is 
+supported. The [`CacheBundle`](https://github.com/php-cache/cache-bundle) will
+allow you to configure the cache pool of your choice. List of predefined pools 
+can be found at: [http://php-cache.readthedocs.io/](http://php-cache.readthedocs.io/)
+
+```yml
+# config.yml
+cache_adapter:
+    providers:
+        twig_apcu:
+            factory: 'cache.factory.apcu'
+
+twig_cache:
+    service: cache.provider.twig_apcu
+```
+
 Usage
 -----
 

composer.json

@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "asm89/twig-cache-extension": "^1.0"
+        "asm89/twig-cache-extension": "^1.3"
     },
     "require-dev": {
         "doctrine/cache": "^1.4",
@@ -38,6 +38,8 @@
         }
     },
     "suggest": {
-        "itinance/doctrine-cache-adapter-with-site-context": "a Cache Adapter used to respect the current site context in a white-label/multi-site environment"
+        "itinance/doctrine-cache-adapter-with-site-context": "a Cache Adapter used to respect the current site context in a white-label/multi-site environment",
+        "cache/adapter-bundle": "To make use of PSR-6 cache implementation via PsrCacheAdapter.",
+        "cache/cache-bundle": "To easily be able to configure adapters in your Symfony application."
     }
 }