Add basic index, complete login route with validation

src/pages/index.tsx

@@ -0,0 +1,31 @@
+import {GetServerSidePropsContext, GetServerSidePropsResult, NextPage} from "next";
+import {z} from "zod";
+import {env} from "@/env/server.mjs";
+
+type Props = {
+    authenticated: boolean;
+}
+
+export async function getServerSideProps({query}: GetServerSidePropsContext): Promise<GetServerSidePropsResult<Props>> {
+    const parsedKey = z.string().safeParse(query?.key);
+
+    if (parsedKey.success && env.API_KEY === parsedKey.data)
+        return {
+            props: {
+                authenticated: true
+            }
+        }
+
+    return {
+        redirect: {
+            destination: '/login',
+            permanent: false
+        }
+    }
+}
+
+const IndexPage: NextPage<Props> = ({authenticated}) => {
+    return <div></div>
+}
+
+export default IndexPage;