Major: Added Authentication Functionality, interfaces with backend;

Added new styles to HomePage & VideoPage;
Added AuthContext to persist logged_in status;

frontend/src/components/Layout/Input.tsx

@@ -0,0 +1,29 @@
+import React from "react";
+
+interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {
+  extraClasses?: string;
+}
+
+const Input: React.FC<InputProps> = ({
+  name,
+  type = "text",
+  placeholder = "",
+  value = "",
+  extraClasses = "",
+  onChange = () => {},
+  ...props // all other HTML input props
+}) => {
+  return (
+    <input
+      name={name}
+      type={type}
+      placeholder={placeholder}
+      value={value}
+      onChange={onChange}
+      {...props}
+      className={`${extraClasses} p-2 rounded-[1rem] w-[20vw] focus:w-[120%] bg-black/40 border border-gray-300 focus:border-purple-500 focus:outline-purple-500 text-center text-white text-xl transition-all`}
+    />
+  );
+};
+
+export default Input;