Dependencies updated & small enhancements (#27)

* Dependencies updated and imports shortened

* Head tags refactored

* Final tweaks

pages/404.tsx

@@ -1,8 +1,8 @@
 import { FC } from "react";
-import { CustomError } from "../components";
+import { CustomError } from "@components";
 
 const My404: FC = () => (
-    <CustomError statusCode={404} statusText={"This page could not be found"} />
+    <CustomError statusCode={404} statusText="This page could not be found" />
 );
 
 export default My404;