feat: link and directory improvements

Changing pages now happens via Link, directory has gotten a layout change with app becoming a starting point and every page requireing their own .tsx and .css file.
Components have also been added where reocurring componennts can be made and reapplied in the project.

ref: N25B-96

src/main.tsx

@@ -1,10 +1,13 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
+import { BrowserRouter } from 'react-router'
 import './index.css'
 import App from './App.tsx'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
-    <App />
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>
   </StrictMode>,
 )