Working with APIs : Added new assignment

javascript/asynchronous_javascript_and_apis/working_with_apis.md

@@ -234,6 +234,7 @@ While we are pushing this API key to the frontend, this isn't something you shou
 
 1. Read the [Fetch documentation on MDN](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch). It's not all that complicated to use, but we've only really scratched the surface at this point.
 1. Check out this [list of Public APIs](https://github.com/n0shake/Public-APIs) and let your imagination go wild.
+1. Check out this video on [Fetch API by WDS](https://youtu.be/cuEtnrL9-H0?feature=shared) to get a better understanding of the topic.
 1. Expand on our little project here by adding a button that fetches a new image without refreshing the page.
 1. Add a search box so users can search for specific gifs. You should also investigate adding a `.catch()` to manage most errors (i.e. invalid API key). Keep in mind that Giphy responds with a status code of 200 with an empty data array when it doesn't find any gifs with the searched keyword, in other words the `.catch()` won't be executed. Adjust your code to effectively handle such scenarios, displaying a default image or an error message if the search fails.