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/Divider.ts

@@ -0,0 +1,10 @@
+import styled from "styled-components";
+
+const Divider = styled.hr`
+  border: 0;
+  border-bottom: 1px solid ${(props) => props.theme.divider};
+  margin: 0;
+  padding: 0;
+`;
+
+export default Divider;