feat: stricter lint, check pipelines, docker-containers, pnpm

pages/_document.tsx

@@ -1,6 +1,6 @@
-import {Html, Head, Main, NextScript} from "next/document";
+import { Html, Head, Main, NextScript } from "next/document";
 
-export default function Document() {
+export default function Document(): JSX.Element {
 	return (
 		<Html lang="en">
 			<Head/>
@@ -10,4 +10,4 @@ export default function Document() {
 			</body>
 		</Html>
 	);
-}
+}