fix(media): prefix img and video src with site.Home.RelPermalink

Author: youssefadly237

themes/math-gallery-theme/layouts/shortcodes/img.html

@@ -3,7 +3,7 @@
 {{ else }}
 <figure class="media-figure"{{ with .Get "id" }} id="{{ . }}"{{ end }}>
 {{ end }}
-  <img src="{{ .Get "src" }}"
+  <img src="{{ site.Home.RelPermalink }}{{ .Get "src" | strings.TrimPrefix "/" }}"
     alt="{{ with .Get "caption" }}{{ . }}{{ end }}"
     loading="lazy" />
   {{ with .Get "caption" }}<figcaption>{{ . }}</figcaption>{{ end }}

themes/math-gallery-theme/layouts/shortcodes/video.html

@@ -4,7 +4,7 @@
 <figure class="media-figure"{{ with .Get "id" }} id="{{ . }}"{{ end }}>
 {{ end }}
   <video controls>
-    <source src="{{ .Get "src" }}" type="{{ with .Get "type" }}{{ . }}{{ else }}video/mp4{{ end }}">
+    <source src="{{ site.Home.RelPermalink }}{{ .Get "src" | strings.TrimPrefix "/" }}" type="{{ with .Get "type" }}{{ . }}{{ else }}video/mp4{{ end }}">
     Your browser does not support the video tag.
   </video>
   {{ with .Get "caption" }}<figcaption>{{ . }}</figcaption>{{ end }}