add: video boarder and title prop

src/pages/contributing/code.mdx

@@ -41,12 +41,7 @@ like to help.
   src="/videos/code-contribution.mp4"
   poster="/videos/code-contribution.png"
 >
-  <track
-    kind="captions"
-    default
-    src="/videos/vtt/code-contribuion.vtt"
-    srcLang="en"
-  />
+  <track default srcLang="en" title="Volunteer for existing work" />
 </Video>
 
 If you want to join an issue that is already assigned to someone or has a

src/pages/contributing/design.mdx

@@ -42,12 +42,7 @@ you'd like to help.
   src="/videos/design-contribution.mp4"
   poster="/videos/design-contribution.png"
 >
-  <track
-    kind="captions"
-    default
-    src="/videos/vtt/cdesignode-contribuion.vtt"
-    srcLang="en"
-  />
+  <track default srcLang="en" title="Volunteer for existing work" />
 </Video>
 
 The most common design requests are related to feature enhancements: researching

src/pages/contributing/documentation.mdx

@@ -1407,12 +1407,7 @@ contributors.
   src="/videos/edit-this-page-contribution.mp4"
   poster="/videos/edit-this-page-contribution.png"
 >
-  <track
-    kind="captions"
-    default
-    src="/videos/vtt/edit-this-page-contribution.vtt"
-    srcLang="en"
-  />
+  <track default srcLang="en" title="How to edit an existing page" />
 </Video>
 
 #### How to add a new page or image
@@ -1442,12 +1437,7 @@ into the correct branch.
   src="/videos/inline-edit-contribution.mp4"
   poster="/videos/inline-edit-contribution.png"
 >
-  <track
-    kind="captions"
-    default
-    src="/videos/vtt/inline-edit-page-contribution.vtt"
-    srcLang="en"
-  />
+  <track default srcLang="en" title="How to add a new page or image" />
 </Video>
 
 Once you have committed your changes, go to the