feat(frontend): finished login form with validation

frontend/src/components/extendedUI/LstCard.tsx

@@ -0,0 +1,18 @@
+import {ReactNode} from "react";
+import {Card} from "../ui/card";
+
+interface LstCardProps {
+    children?: ReactNode;
+    className?: string;
+    style?: React.CSSProperties;
+}
+
+export function LstCard({children, className = "", style = {}}: LstCardProps) {
+    return (
+        <div className="m-auto">
+            <Card className={`border-solid border-2 border-[#00659c] ${className}`} style={style}>
+                {children}
+            </Card>
+        </div>
+    );
+}