component AP gateway: handle XMPP attachments -> AP likes conversion: convert `noticed` attachments coming from XMPP to suitable `Like` activities. Virtual node is created in cache when necessary, and virtual items published to virtual JID mapping AP accounts are cached too. rel 370

You'll find install instructions in documentation (see doc/installation.rst).

If you need help, come the SàT official XMPP room: sat@chat.jabberfr.org or join us with a web browser via https://chat.jabberfr.org/converse.js/sat@chat.jabberfr.org