feat: Implement file management and authorization features

- Add RequiresPermissionAttribute for gRPC method access control.
- Create IFileManagementService interface for file upload and management.
- Implement AddProductImageCommand and handler for adding product images.
- Implement CreateNewProductsCommand and handler for creating new products with image uploads.
- Implement DeleteProductsCommand and handler for deleting products and their associations.
- Implement RemoveProductImageCommand and handler for removing product images from galleries.
- Implement UpdateProductsCommand and handler for updating product details and images.
- Create GetProductGalleryQuery and handler for retrieving product galleries.
- Implement PermissionService for role-based access control using JWT claims.
- Implement FileManagementService for handling file uploads and image optimization.
- Define gRPC service and messages for file management in fms.proto.
- Add FluentValidation for request validation in various commands.
- Create PermissionInterceptor for enforcing permissions on gRPC methods.

src/CMSMicroservice.Protobuf/Protos/package.proto

@@ -113,6 +113,7 @@ message CreateNewPackageRequest
     string description = 2;
     string image_path = 3;
     int64 price = 4;
+    BoostCardFileModel image_file = 5;
 }
 message CreateNewPackageResponse
 {
@@ -125,6 +126,7 @@ message UpdatePackageRequest
     string description = 3;
     string image_path = 4;
     int64 price = 5;
+    BoostCardFileModel image_file = 6;
 }
 message DeletePackageRequest
 {
@@ -412,3 +414,11 @@ enum PaymentStatusEnum
     PAYMENT_STATUS_FAILED = 2;
     PAYMENT_STATUS_REFUNDED = 3;
 }
+
+// File upload model for binary image uploads from BackOffice
+message BoostCardFileModel
+{
+    bytes file = 1;
+    string file_name = 2;
+    string mime = 3;
+}