feat: add modal component for sighting details with content display

- Implemented ModalComponent for reusable modal functionality.
- Created SightingItemModal to manage modal state and display sighting details.
- Developed SightingModalContent to render sighting information including video feed and metadata.

src/components/ui/ModalComponent.tsx

@@ -0,0 +1,38 @@
+import Modal from "react-modal";
+
+type ModalComponentProps = {
+  isModalOpen: boolean;
+  children: React.ReactNode;
+  close: () => void;
+};
+const ModalComponent = ({ isModalOpen, children, close }: ModalComponentProps) => {
+  return (
+    <Modal
+      isOpen={isModalOpen}
+      onRequestClose={close}
+      className="bg-[#1e2a38] p-6 rounded-lg shadow-lg w-[95%] mt-[2%] md:w-[55%] z-100 overflow-y-auto border border-gray-600 max-h-[90%]"
+      overlayClassName="fixed inset-0 bg-[#1e2a38]/70 flex justify-center items-start z-100"
+      closeTimeoutMS={200}
+      style={{
+        overlay: {
+          transition: "opacity 200ms ease-in-out",
+        },
+        content: {
+          transition: "all 200ms ease-in-out",
+        },
+      }}
+    >
+      <div className="flex justify-end">
+        <button
+          onClick={close}
+          className="bg-gray-700 hover:bg-gray-600 text-white font-bold py-2 px-4 rounded-lg mb-4 hover:cursor-pointer"
+        >
+          Close
+        </button>
+      </div>
+      {children}
+    </Modal>
+  );
+};
+
+export default ModalComponent;