feat: ship a web app (#218)

* feat(orion): add endpoint for link metadata

* refactor: cleanup comments

* wip: plumbing for building a web app

* setup deployment materials for web app

* fix(web): favicon

js/desktop/src/features/compose/attachment-strip.tsx

@@ -9,6 +9,7 @@ import {
   getAttachmentHandler,
   type AttachmentItem,
 } from "@/features/attachments/attachment-lightbox";
+import { platform } from "@/lib/platform";
 
 export interface PendingAttachment {
   id: string;
@@ -120,7 +121,7 @@ function LinkPreviewThumbnail({ entry }: { entry: LinkPreviewEntry }) {
   return (
     <button
       type="button"
-      onClick={() => window.electronLink.openExternal(metadata.url)}
+      onClick={() => platform.link.openExternal(metadata.url)}
       className="flex h-16 w-28 shrink-0 flex-col justify-center gap-1 overflow-hidden rounded-lg bg-white/10 px-2 py-1.5 text-left transition-colors hover:bg-white/15"
     >
       <div className="flex items-center gap-1 text-[10px] text-white/40">