Add functionality to delete images from the gallery and Cloudinary

Implement image deletion functionality, including a confirmation dialog and API endpoint for removing images from Cloudinary and updating the gallery map.

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server/cloudinary.ts

@@ -92,6 +92,16 @@ export async function uploadToCloudinary(imageUrl: string, fileName: string): Pr
   }
 }
 
+export async function deleteFromCloudinary(publicId: string): Promise<boolean> {
+  try {
+    const result = await cloudinary.uploader.destroy(publicId, { resource_type: "image" });
+    return result.result === "ok";
+  } catch (err: any) {
+    console.error(`Cloudinary delete failed for ${publicId}:`, err.message);
+    return false;
+  }
+}
+
 export async function checkCloudinaryImage(publicId: string): Promise<boolean> {
   try {
     await cloudinary.api.resource(publicId);