Collect contributions from the community

[amotl]

To keep track about what others have implemented.

Fixes

• Fix crash when make_new within machuart.c is called with zero arguments.
  Implemented through 03a166e by @knagymate, see also Fixing crash when make_new is called with zero arguments (reopen) pycom/pycom-micropython-sigfox#401.
• Fix wrong callback function in recv_queue_handler of ESP-Now.
  Implemented through d628cbc by @rodgergr, see also add wlan_ap_tcpip_sta_list function that lists the connected devices … pycom/pycom-micropython-sigfox#415.

Features

• Support for generic ESP32 boards.
  Implemented through robert-hh/pycom-micropython-sigfox@9b02a11c^...8c7d64b by @robert-hh.
• BerkeleyDB's btree implementation from Genuine MicroPython.
  Implemented through robert-hh/pycom-micropython-sigfox@046f106^...b71ed3d by @robert-hh. See also btree – simple BTree database.
• Ed25519 EdDSA signature scheme support.
  Implemented through ubirch/pycom-micropython-sigfox@6851fbb^...8944639 by @ubirch / @thinkberg.
• HTTP-client and -server implementation based on ESP-IDF components.
  Implemented through knagymate/pycom-micropython-sigfox@2464e192^...HTTPS_Server by @geza-pycom and @knagymate.
• List connected WiFi clients in AP mode.
  Implemented through 9a2c2ee by @agicquel.

[thinkberg]

If you need more info or help regarding the ed25519 ping me.