Address clippy lints

src/bundle/mod.rs

src/bundle/poller/local_dir.rs

src/bundle/poller/s3.rs

src/bundle/rundir.rs

src/files/directory/listing.rs

src/files/mod.rs

src/files/pages.rs

src/files/path.rs

src/files/path_context.rs

src/files/service.rs

src/main.rs

src/monitor.rs

src/server.rs

src/thread.rs