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/Sidebar/components/Version.tsx

@@ -0,0 +1,52 @@
+import * as React from "react";
+import styled from "styled-components";
+import Badge from "~/components/Badge";
+import { version } from "../../../../package.json";
+import SidebarLink from "./SidebarLink";
+
+export default function Version() {
+  const [releasesBehind, setReleasesBehind] = React.useState(0);
+
+  React.useEffect(() => {
+    async function loadReleases() {
+      let out = 0;
+      const res = await fetch(
+        "https://api.github.com/repos/outline/outline/releases"
+      );
+      const releases = await res.json();
+
+      for (const release of releases) {
+        if (release.tag_name === `v${version}`) {
+          return setReleasesBehind(out);
+        } else {
+          out++;
+        }
+      }
+    }
+
+    loadReleases();
+  }, []);
+
+  return (
+    <SidebarLink
+      href="https://github.com/outline/outline/releases"
+      label={
+        <>
+          v{version}
+          <br />
+          <LilBadge>
+            {releasesBehind === 0
+              ? "Up to date"
+              : `${releasesBehind} version${
+                  releasesBehind === 1 ? "" : "s"
+                } behind`}
+          </LilBadge>
+        </>
+      }
+    />
+  );
+}
+
+const LilBadge = styled(Badge)`
+  margin-left: 0;
+`;