Add impact index fixture and filesystem artifact uploader

- Introduced a sample BOM index JSON file for impact index testing.
- Created unit tests for the impact index fixture to ensure proper loading of sample images.
- Implemented the FilesystemPackRunArtifactUploader class to handle artifact uploads to the local filesystem.
- Added comprehensive tests for the FilesystemPackRunArtifactUploader, covering file copying, missing files, and expression outputs.

deploy/compose/env/mirror.env.example

@@ -6,10 +6,16 @@ MONGO_INITDB_ROOT_PASSWORD=mirror-password
 MINIO_ROOT_USER=stellaops-mirror
 MINIO_ROOT_PASSWORD=mirror-minio-secret
 RUSTFS_HTTP_PORT=8080
-
-# Mirror HTTP listeners
-MIRROR_GATEWAY_HTTP_PORT=8080
-MIRROR_GATEWAY_HTTPS_PORT=9443
+
+# Scanner surface integration
+SCANNER_SURFACE_FS_ENDPOINT=http://rustfs:8080/api/v1
+SCANNER_SURFACE_CACHE_ROOT=/var/lib/stellaops/surface
+SCANNER_SURFACE_SECRETS_PROVIDER=file
+SCANNER_SURFACE_SECRETS_ROOT=/etc/stellaops/secrets
+
+# Mirror HTTP listeners
+MIRROR_GATEWAY_HTTP_PORT=8080
+MIRROR_GATEWAY_HTTPS_PORT=9443
 
 # Concelier mirror configuration
 CONCELIER_MIRROR_LATEST_SEGMENT=latest