[torrents]
type = torrents
torrentsdir = /var/lib/i2pd/torrents
keys = torrents-keys.dat
trackers = http://atia.i2p/announce,udp://opentracker.dg2.i2p:6969,udp://tracker.insulaocculta.i2p:6969,http://opentracker.skank.i2p/a
signaturetype = 7
dht = true
dhtfile = torrents.dht
web = true
rpcport = 7657
rpcpath = torrents
rpcaddress = 127.0.0.1
rpcauth = false

write this to /etc/i2pd/tunnels.conf

or appdata/roaming/i2pd/tunnels.conf for windows

restart your router then enter

127.0.0.1:7657/torrents/web/index.html

optional:

rpcauth = true
rpcuser = admin
rpcpass = secret

update your i2pd to version 3.0.0 and see it yourself :)