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

server/presenters/view.ts

@@ -0,0 +1,14 @@
+import { View } from "@server/models";
+import { presentUser } from "../presenters";
+
+// @ts-expect-error ts-migrate(2749) FIXME: 'View' refers to a value, but is being used as a t... Remove this comment to see the full error message
+export default function present(view: View) {
+  return {
+    id: view.id,
+    documentId: view.documentId,
+    count: view.count,
+    firstViewedAt: view.createdAt,
+    lastViewedAt: view.updatedAt,
+    user: presentUser(view.user),
+  };
+}