change font to nunito and self host it

this is in a series of commits to make the application look more like
uiogaming.no as of writing this

src/components/calculator.module.css

@@ -27,5 +27,5 @@
   font-weight: 900;
 }
 .or {
-  font-weight: 100;
+  font-weight: 200;
 }

src/index.css

@@ -1,12 +1,10 @@
-@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;400;900&display=swap");
-
 /* ===== Variables ===== */
 
 :root {
   --main-color: rgb(226, 35, 26);
   --main-background-color: rgb(22, 20, 31);
 
-  --main-font: "Poppins", sans-serif;
+  --main-font: "Nunito", sans-serif;
 }
 
 /* ===== RESET ===== */

src/main.tsx

@@ -1,5 +1,8 @@
 import React from 'react'
 import { createRoot } from 'react-dom/client'
+import '@fontsource/nunito/200.css'
+import '@fontsource/nunito/400.css'
+import '@fontsource/nunito/900.css'
 import './index.css'
 import App from './App'