chore: add Git LFS support for media files and update build scripts

- Introduced .gitattributes to manage large media files with Git LFS for various formats including HEIC, MOV, and JPG.
- Added a new build script in package.json for preparing demo data.
- Enhanced logging in the PhotoGalleryBuilder to include storage provider information.
- Updated the LocalStorageProvider to use the correct type for file stats.
- Added multiple new media files to the project.

Signed-off-by: Innei <tukon479@gmail.com>

scripts/prepare-demo-data.sh

@@ -0,0 +1,11 @@
+#! /bin/bash
+
+cp -r photos ./apps/web/public/photos
+
+echo '{
+  "storage": {
+    "provider": "local",
+    "basePath": "./apps/web/public/photos",
+    "baseUrl": "/photos"
+  }
+}' >builder.config.json