Added Dark and Light mode toggels

src/context/ThemeContext.js

@@ -0,0 +1,26 @@
+import React, { createContext, useState, useContext } from 'react';
+
+const ThemeContext = createContext();
+
+export const ThemeProvider = ({ children }) => {
+  const [isDarkMode, setIsDarkMode] = useState(true);
+
+  const toggleTheme = () => {
+    setIsDarkMode(!isDarkMode);
+    document.documentElement.setAttribute('data-theme', !isDarkMode ? 'dark' : 'light');
+  };
+
+  return (
+    <ThemeContext.Provider value={{ isDarkMode, toggleTheme }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+};
+
+export const useTheme = () => {
+  const context = useContext(ThemeContext);
+  if (context === undefined) {
+    throw new Error('useTheme must be used within a ThemeProvider');
+  }
+  return context;
+};