Fix: Tutorials sharing code and exports a11y

site/content/tutorial/17-module-context/01-sharing-code/app-a/AudioPlayer.svelte

@@ -22,7 +22,7 @@
 		on:play={stopOthers}
 		controls
 		{src}
-	></audio>
+	><track kind="captions" /></audio>
 </article>
 
 <style>
@@ -38,4 +38,4 @@
 	.playing {
 		color: #ff3e00;
 	}
-</style>
+</style>

site/content/tutorial/17-module-context/01-sharing-code/app-b/AudioPlayer.svelte

@@ -27,7 +27,7 @@
 		on:play={stopOthers}
 		controls
 		{src}
-	></audio>
+	><track kind="captions" /></audio>
 </article>
 
 <style>
@@ -43,4 +43,4 @@
 	.playing {
 		color: #ff3e00;
 	}
-</style>
+</style>

site/content/tutorial/17-module-context/02-module-exports/app-a/AudioPlayer.svelte

@@ -35,7 +35,7 @@
 		on:play={stopOthers}
 		controls
 		{src}
-	></audio>
+	><track kind="captions" /></audio>
 </article>
 
 <style>
@@ -51,4 +51,4 @@
 	.playing {
 		color: #ff3e00;
 	}
-</style>
+</style>

site/content/tutorial/17-module-context/02-module-exports/app-b/AudioPlayer.svelte

@@ -41,7 +41,7 @@
 		on:play={stopOthers}
 		controls
 		{src}
-	></audio>
+	><track kind="captions" /></audio>
 </article>
 
 <style>
@@ -57,4 +57,4 @@
 	.playing {
 		color: #ff3e00;
 	}
-</style>
+</style>