Update & publish new doc versions

docs/main/_sources/flame/rendering/images.md.txt

@@ -35,7 +35,8 @@ To synchronously retrieve a previously cached image, the `fromCache` method can
 with that key was not previously loaded, it will throw an exception.
 
 To add an already loaded image to the cache, the `add` method can be used and you can set the key
-that the image should have in the cache.
+that the image should have in the cache. You can retrieve all the keys in the cache using the `keys`
+getter.
 
 You can also use `ImageExtension.fromPixels()` to dynamically create an image during the game.
 

docs/main/flame/rendering/images.html

@@ -351,7 +351,8 @@ <h2>Loading images<a class="headerlink" href="#loading-images" title="Link to th
 <p>To synchronously retrieve a previously cached image, the <code class="docutils literal notranslate"><span class="pre">fromCache</span></code> method can be used. If an image
 with that key was not previously loaded, it will throw an exception.</p>
 <p>To add an already loaded image to the cache, the <code class="docutils literal notranslate"><span class="pre">add</span></code> method can be used and you can set the key
-that the image should have in the cache.</p>
+that the image should have in the cache. You can retrieve all the keys in the cache using the <code class="docutils literal notranslate"><span class="pre">keys</span></code>
+getter.</p>
 <p>You can also use <code class="docutils literal notranslate"><span class="pre">ImageExtension.fromPixels()</span></code> to dynamically create an image during the game.</p>
 <p>For <code class="docutils literal notranslate"><span class="pre">clear</span></code> and <code class="docutils literal notranslate"><span class="pre">clearCache</span></code>, do note that <code class="docutils literal notranslate"><span class="pre">dispose</span></code> is called for each removed image from the
 cache, so make sure that you don’t use the image afterwards.</p>