feat: out-source footer and header

src/Header.tsx

@@ -0,0 +1,11 @@
+import { baseUrl } from "./api";
+
+export default function Header() {
+  return <div className="logo">
+    <a href={baseUrl}>
+      <img alt="logo" height="66%" src="logo.svg" />
+      <h3 className="centered">cutt</h3>
+    </a>
+    <span className="grey">cool ultimate team tool</span>
+  </div>
+}