restore local video assets now that webpack (and remark) can process them

mdx-components.ts

@@ -22,6 +22,7 @@ export const useMDXComponents = (components: MDXComponents): MDXComponents => {
     a: Link,
     code: Code,
     blockquote: Blockquote,
+    video: Video,
     hr: HorizontalRule,
     h1: Heading.H1,
     h2: Heading.H2,
@@ -33,9 +34,6 @@ export const useMDXComponents = (components: MDXComponents): MDXComponents => {
     ol: List.OrderedList,
     li: List.ListItem,
 
-    // html components with a slight twist:
-    Video,
-
     // third-party embeds:
     Tweet,
     YouTube,