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

app/components/RegisterKeyDown.ts

@@ -0,0 +1,16 @@
+import useKeyDown, { KeyFilter } from "~/hooks/useKeyDown";
+
+type Props = {
+  trigger: KeyFilter;
+  handler: (event: KeyboardEvent) => void;
+};
+
+/**
+ * This method is a wrapper around the useKeyDown hook to allow easier use in
+ * class components that have not yet been converted to functions. Do not use
+ * this method in functional components.
+ */
+export default function RegisterKeyDown({ trigger, handler }: Props) {
+  useKeyDown(trigger, handler);
+  return null;
+}