chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

shared/embeds/Loom.tsx

@@ -0,0 +1,20 @@
+import * as React from "react";
+import Frame from "./components/Frame";
+
+const URL_REGEX = /^https:\/\/(www\.)?(use)?loom.com\/(embed|share)\/(.*)$/;
+type Props = {
+  attrs: {
+    href: string;
+    matches: string[];
+  };
+};
+
+export default class Loom extends React.Component<Props> {
+  static ENABLED = [URL_REGEX];
+
+  render() {
+    const normalizedUrl = this.props.attrs.href.replace("share", "embed");
+    // @ts-expect-error ts-migrate(2322) FIXME: Type '{ src: string; title: string; attrs: { href:... Remove this comment to see the full error message
+    return <Frame {...this.props} src={normalizedUrl} title="Loom Embed" />;
+  }
+}