feat: button, calendar, datePicker, input, pagination, icons 추가

web-app/app/shared/components/icons/Calendar.tsx

@@ -0,0 +1,23 @@
+import { type SVGProps } from 'react';
+
+export function CalendarIcon(props: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      {...props}
+    >
+      <path d="M8 2v4" />
+      <path d="M16 2v4" />
+      <rect width="18" height="18" x="3" y="4" rx="2" />
+      <path d="M3 10h18" />
+    </svg>
+  );
+}