update shortcode video

layouts/shortcodes/video.html

@@ -1,7 +1,7 @@
 {{- $src := .Get "src" | default (.Get 0) -}}
-{{- $title := .Get "title" | default "Shared video" }}
+{{- $title := .Get "title" | default (.Get 1) | default "Shared video" }}
 <!-- <video controls controlslist="noremoteplayback" preload="metadata" poster="{{ .Page.Permalink }}{{ $src }}.jpg"> -->
-<video controls preload="metadata" poster="{{ .Page.Permalink }}{{ $src }}.jpg">
+<video controls preload="metadata" poster="{{ .Page.Permalink }}{{ $src }}.jpg" title="{{ $title }}">
   <source src="{{ .Page.Permalink }}{{ $src }}.ogv" type="video/ogv" />
   <source src="{{ .Page.Permalink }}{{ $src }}.webm" type="video/webm" />
   <source src="{{ .Page.Permalink }}{{ $src }}.mp4" type="video/mp4" />
@@ -11,4 +11,5 @@
   <a href="{{ .Page.Permalink }}{{ $src }}.webm">webm</a>,
   <a href="{{ .Page.Permalink }}{{ $src }}.mp4">mp4</a>
 </video>
+<figcaption class="-mt-3 mb-6 text-center">{{ $title }}</figcaption>