Adding TODO and additional notes in README to correct mdn documentation

README.md

@@ -1,6 +1,6 @@
 # learning_sse
 
-Learning Server Side Events. 
+Learning [Server Side Events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events) can be fun.
 
 The magic is in setting the `Content Type` header to `text/event-stream`, writing the response in the from of `data: %s \n\n`, and flushing the content of the WriteResponse buffer manually. This is necessary because by default Go will implicitly flush the buffer only once the Handler has returned. 
 

main.go

@@ -23,6 +23,7 @@ func SSEHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func routes() http.Handler {
+	// TODO add static server and an HTML index with `new EventSource` JS that writes the data message contents into an element on the page
 	mux := http.NewServeMux()
 	mux.HandleFunc("/sse", SSEHandler)
 	return mux