feat(torrent): add date sorting and display

- Sort torrents by added date (newest first) by default
- Add Date column to desktop table (after ETA)
- Add Date to mobile card view
- Add Date option to mobile sort dropdown
- Display dates in DD/MM/YYYY HH:mm format

frontend/Cargo.toml

@@ -21,7 +21,7 @@ wasm-bindgen = "0.2"
 wasm-bindgen-futures = "0.4"
 uuid = { version = "1", features = ["v4", "js"] }
 futures = "0.3"
-chrono = { version = "0.4", features = ["serde"] }
+chrono = { version = "0.4", features = ["serde", "wasm-bindgen"] }
 web-sys = { version = "0.3", features = [
     "HtmlDivElement",
     "HtmlUListElement",