Allows link to safety quiz to be set in config

This reverts commit 6227751763d66606dcb29b4bb7aaeddfd5dd770d.

config/safetyLinks.yaml

@@ -1,3 +1,4 @@
+Safety Quiz Link: "https://forms.office.com/Pages/ResponsePage.aspx?id=dzi_grwqEkSuyimF-ZKjL544Tiy3xXxPrjITk-mmulFUMUVBMkk3SjY3U1NYUU5XWlFQNjBVQzNaTy4u"
 Cards:
   # To add a new card: 
   # Create a new object with single indent (2 spaces). The text written here will be the title of the card.

templates/Training/Safety/safetyHome.html.twig

@@ -15,7 +15,7 @@
 				</p>
 			</div>
 		</div>
-		<a class="col-12 btn btn-danger my-2" href="/training/safety/quiz">
+		<a class="col-12 btn btn-danger my-2" href="{{ attribute(content, 'Safety Quiz Link') }}">
 			<h4>Take the Workplace Safety Quiz</h4>
 		</a>
 		{# Cards #}