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/features/dashboard/components/sightingStack/SightingStack.tsx

@@ -1,21 +1,38 @@
+import { useState } from "react";
 import CardHeader from "../../../../components/CardHeader";
 import Card from "../../../../components/ui/Card";
 import type { SightingType } from "../../../../utils/types";
 import SightingItem from "./SightingItem";
+import SightingItemModal from "./sightingItemModal/SightingItemModal";
 
 type SightingStackProps = {
   sightings: SightingType[];
 };
 const SightingStack = ({ sightings }: SightingStackProps) => {
+  const [isSightingModalOpen, setIsSightingModalOpen] = useState(false);
+  const [currentSighting, setCurrentSighting] = useState<SightingType | null>(null);
+  const handleOpenModal = (sighting: SightingType | null) => {
+    if (!sighting) return;
+    setCurrentSighting(sighting);
+    setIsSightingModalOpen(true);
+  };
+
   return (
-    <Card className="p-4 w-full h-full ">
-      <CardHeader title="Live Sightings" />
-      <div className="md:h-[65%]">
-        {sightings.map((sighting) => (
-          <SightingItem key={sighting.ref} sighting={sighting} />
-        ))}
-      </div>
-    </Card>
+    <>
+      <Card className="p-4 w-full h-full ">
+        <CardHeader title="Live Sightings" />
+        <div className="md:h-[65%]">
+          {sightings.map((sighting) => (
+            <SightingItem key={sighting.ref} sighting={sighting} onOpenModal={() => handleOpenModal(sighting)} />
+          ))}
+        </div>
+      </Card>
+      <SightingItemModal
+        isOpen={isSightingModalOpen}
+        close={() => setIsSightingModalOpen(false)}
+        sighting={currentSighting}
+      />
+    </>
   );
 };