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/electron.d.ts

@@ -1,4 +1,3 @@
-import type { LinkMetadata } from './lib/link-metadata';
 import type { AutoplayPayload } from './lib/autoplay-ipc';
 
 declare global {
@@ -42,7 +41,6 @@ declare global {
       onInit: (callback: () => void) => () => void;
     };
     electronLink: {
-      fetchMetadata: (url: string) => Promise<LinkMetadata | null>;
       openExternal: (url: string) => Promise<void>;
     };
     electronAttachment: {