docs: docs(guide/Animations): Fixed a typo in Animations doc app.cofig

docs/content/guide/animations.ngdoc

@@ -309,7 +309,7 @@ allows a lot of flexibility - you can either allow animations only for specific
 you are working with 3rd party animations), or exclude specific classes from getting animated.
 
 ```js
-app.cofig($animateProvider) {
+app.config($animateProvider) {
   $animateProvider.classNameFilter(/animate-/);
 });
 ```