Dependencies updated & small enhancements (#27)

* Dependencies updated and imports shortened

* Head tags refactored

* Final tweaks

pages/_document.tsx

@@ -1,6 +1,6 @@
 import { ColorModeScript } from "@chakra-ui/color-mode";
 import Document, { Html, Head, Main, NextScript } from "next/document";
-import theme from "../theme";
+import theme from "@theme";
 
 export default class MyDocument extends Document {
     render() {