Merge pull request #12594 from mrdoob/donmccurdy-docs-collada-anim

Docs: ColladaLoader now supports the new animation system.

docs/manual/introduction/Animation-system.html

@@ -110,6 +110,7 @@
 				<li>[page:JSONLoader THREE.JSONLoader]</li>
 				<li>[page:ObjectLoader THREE.ObjectLoader]</li>
 				<li>THREE.BVHLoader</li>
+				<li>THREE.ColladaLoader</li>
 				<li>THREE.FBXLoader</li>
 				<li>[page:GLTFLoader THREE.GLTFLoader]</li>
 				<li>THREE.MMDLoader</li>