add torrent version info

server/version/version.go

@@ -1,3 +1,24 @@
 package version
 
+import (
+	"log"
+	"runtime/debug"
+	// "github.com/anacrolix/torrent"
+)
+
 const Version = "MatriX.120.6"
+
+func GetTorrentVersion() string {
+	// _ = torrent.NewDefaultClientConfig()
+	bi, ok := debug.ReadBuildInfo()
+	if !ok {
+		log.Printf("Failed to read build info")
+		return ""
+	}
+	for _, dep := range bi.Deps {
+		if dep.Path == "github.com/anacrolix/torrent" {
+			return dep.Version
+		}
+	}
+	return ""
+}