Serve video gifs when requested

Cargo.toml

@@ -42,3 +42,4 @@ opentelemetry_sdk = { version = "0.28.0", features = ["default", "rt-tokio-curre
 opentelemetry-otlp = { version = "0.28.0", features = ["default", "metrics", "tracing", "grpc-tonic"] }
 opentelemetry-stdout = "0.28.0"
 opentelemetry-appender-log = "0.28.0"
+tempfile = "3.20.0"