Add Spinner ui component

app/frontend/components/ui/spinner.tsx

@@ -0,0 +1,50 @@
+import { VariantProps, cva } from "class-variance-authority";
+import { Loader2 } from "lucide-react";
+
+import { cn } from "@/utils/ui";
+
+const spinnerVariants = cva("flex-col items-center justify-center", {
+  variants: {
+    show: {
+      true: "flex",
+      false: "hidden",
+    },
+  },
+  defaultVariants: {
+    show: true,
+  },
+});
+
+const loaderVariants = cva("animate-spin text-primary", {
+  variants: {
+    size: {
+      small: "size-6",
+      medium: "size-8",
+      large: "size-12",
+    },
+  },
+  defaultVariants: {
+    size: "medium",
+  },
+});
+
+interface SpinnerContentProps
+  extends VariantProps<typeof spinnerVariants>,
+    VariantProps<typeof loaderVariants> {
+  className?: string;
+  children?: React.ReactNode;
+}
+
+export function Spinner({
+  size,
+  show,
+  children,
+  className,
+}: SpinnerContentProps) {
+  return (
+    <span className={spinnerVariants({ show })}>
+      <Loader2 className={cn(loaderVariants({ size }), className)} />
+      {children}
+    </span>
+  );
+}