feat: add BitTorrent engine with magnet link and .torrent file support

go.mod

@@ -21,6 +21,30 @@ require (
 
 require (
 	git.sr.ht/~jackmordaunt/go-toast v1.1.2 // indirect
+	github.com/RoaringBitmap/roaring v1.2.3 // indirect
+	github.com/alecthomas/atomic v0.1.0-alpha2 // indirect
+	github.com/anacrolix/btree v0.0.0-20251201064447-d86c3fa41bd8 // indirect
+	github.com/anacrolix/chansync v0.7.0 // indirect
+	github.com/anacrolix/dht/v2 v2.23.0 // indirect
+	github.com/anacrolix/envpprof v1.4.0 // indirect
+	github.com/anacrolix/generics v0.1.1-0.20251125230353-15d98d46693b // indirect
+	github.com/anacrolix/go-libutp v1.3.2 // indirect
+	github.com/anacrolix/log v0.17.1-0.20251118025802-918f1157b7bb // indirect
+	github.com/anacrolix/missinggo v1.3.0 // indirect
+	github.com/anacrolix/missinggo/perf v1.0.0 // indirect
+	github.com/anacrolix/missinggo/v2 v2.10.0 // indirect
+	github.com/anacrolix/mmsg v1.0.1 // indirect
+	github.com/anacrolix/multiless v0.4.0 // indirect
+	github.com/anacrolix/stm v0.5.0 // indirect
+	github.com/anacrolix/sync v0.5.5-0.20251119100342-d78dd1f686f1 // indirect
+	github.com/anacrolix/torrent v1.61.0 // indirect
+	github.com/anacrolix/upnp v0.1.4 // indirect
+	github.com/anacrolix/utp v0.1.0 // indirect
+	github.com/bahlo/generic-list-go v0.2.0 // indirect
+	github.com/benbjohnson/immutable v0.4.1-0.20221220213129-8932b999621d // indirect
+	github.com/bits-and-blooms/bitset v1.24.4 // indirect
+	github.com/bradfitz/iter v0.0.0-20191230175014-e8f45d346db8 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/charmbracelet/colorprofile v0.4.2 // indirect
 	github.com/charmbracelet/harmonica v0.2.0 // indirect
 	github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8 // indirect
@@ -31,32 +55,81 @@ require (
 	github.com/clipperhouse/displaywidth v0.11.0 // indirect
 	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/edsrzf/mmap-go v1.1.0 // indirect
 	github.com/esiqveland/notify v0.13.3 // indirect
+	github.com/go-llsqlite/adapter v0.0.0-20230927005056-7f5ce7f0c916 // indirect
+	github.com/go-llsqlite/crawshaw v0.5.6-0.20250312230104-194977a03421 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/godbus/dbus/v5 v5.2.2 // indirect
+	github.com/google/btree v1.1.2 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackmordaunt/icns/v3 v3.0.1 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.3 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.21 // indirect
+	github.com/minio/sha256-simd v1.0.0 // indirect
+	github.com/mr-tron/base58 v1.2.0 // indirect
+	github.com/mschoch/smat v0.2.0 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/multiformats/go-multihash v0.2.3 // indirect
+	github.com/multiformats/go-varint v0.0.6 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
+	github.com/pion/datachannel v1.5.9 // indirect
+	github.com/pion/dtls/v3 v3.0.3 // indirect
+	github.com/pion/ice/v4 v4.0.2 // indirect
+	github.com/pion/interceptor v0.1.40 // indirect
+	github.com/pion/logging v0.2.3 // indirect
+	github.com/pion/mdns/v2 v2.0.7 // indirect
+	github.com/pion/randutil v0.1.0 // indirect
+	github.com/pion/rtcp v1.2.15 // indirect
+	github.com/pion/rtp v1.8.18 // indirect
+	github.com/pion/sctp v1.8.33 // indirect
+	github.com/pion/sdp/v3 v3.0.9 // indirect
+	github.com/pion/srtp/v3 v3.0.4 // indirect
+	github.com/pion/stun/v3 v3.0.0 // indirect
+	github.com/pion/transport/v3 v3.0.7 // indirect
+	github.com/pion/turn/v4 v4.0.0 // indirect
+	github.com/pion/webrtc/v4 v4.0.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/protolambda/ctxlock v0.1.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
+	github.com/rs/dnscache v0.0.0-20211102005908-e0241e321417 // indirect
 	github.com/sahilm/fuzzy v0.1.1 // indirect
 	github.com/sergeymakinen/go-bmp v1.0.0 // indirect
 	github.com/sergeymakinen/go-ico v1.0.0 // indirect
+	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
 	github.com/tadvi/systray v0.0.0-20190226123456-11a2b8fa57af // indirect
+	github.com/tidwall/btree v1.8.1 // indirect
+	github.com/wlynxg/anet v0.0.3 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	go.etcd.io/bbolt v1.3.6 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/otel v1.38.0 // indirect
+	go.opentelemetry.io/otel/metric v1.38.0 // indirect
+	go.opentelemetry.io/otel/trace v1.38.0 // indirect
+	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6 // indirect
+	golang.org/x/net v0.47.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/time v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/blake3 v1.1.6 // indirect
 	modernc.org/libc v1.70.0 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
+	zombiezen.com/go/sqlite v0.13.1 // indirect
 )