Update README.md

Author: philippelt

README.md

@@ -21,3 +21,11 @@ Depending on your permissions you might be required to use sudo.
 Once installed you can simple add lnetatmo to your python scripts by including:
 
     import lnetatmo
+
+**New features** (see usage for details)
+
+cameras (Welcome and Presence) : 
+ - get live jpeg snapshot with homeData.getLiveSnapshot(camera="{name}")
+ - get best access url (local if possible else vpn) with homeData.url(camera="{name}") and it works despite the is_local property of the camera being mostly false (the camera IP is catched only on camera start and never updated even if the home IP change)
+
+Presence : switch camera on or off with homeData.presenceStatus("on|off", camera="{name}")