feat(embed): Add support for dark mode (#6912)

* feat(embed): Support dark mode (wip)

* finishing up the implementation

* fix tailwind color selector

* tweak design

* refactor: unify types

* fix

* fix english grammar

* refactor: unify types

* tweak design

* remove the customization part

bskyembed/snippet/embed.ts

@@ -20,6 +20,7 @@ window.addEventListener('message', event => {
     return
   }
 
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
   const id = (event.data as {id: string}).id
   if (!id) {
     return
@@ -33,6 +34,7 @@ window.addEventListener('message', event => {
     return
   }
 
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
   const height = (event.data as {height: number}).height
   if (height) {
     embed.style.height = `${height}px`
@@ -47,7 +49,7 @@ window.addEventListener('message', event => {
  * @returns
  */
 function scan(node = document) {
-  const embeds = node.querySelectorAll('[data-bluesky-uri]')
+  const embeds = node.querySelectorAll<HTMLIFrameElement>('[data-bluesky-uri]')
 
   for (let i = 0; i < embeds.length; i++) {
     const id = String(Math.random()).slice(2)