ADD: Brightness functionality

frontend/src/main.tsx

@@ -1,13 +1,10 @@
-import { StrictMode } from "react";
 import { ThemeProvider } from "./context/ThemeContext";
 import { createRoot } from "react-dom/client";
 import "./assets/styles/index.css";
 import App from "./App.tsx";
 
 createRoot(document.getElementById("root")!).render(
-  // <StrictMode>
   <ThemeProvider>
   <App />
   </ThemeProvider>
-  // </StrictMode>,
 );