docs: showcase more methods

README.md

@@ -19,16 +19,18 @@ app = AppService(
 	as_token="YOUR-APPSERVICE-TOKEN",
 	hs_token="YOUR-HOMESERVER-TOKEN",
 )
+mxid = "@_appsrv_firstuser:matrix.org"
+room = "#my-epic-room:matrix.org"
 ```
 
 to execute actions use AppService's helper methods:
 ```python
-mxid = "@_appsrv_firstuser:matrix.org"
-room = "#my-epic-room:matrix.org"
 await app.register_mxid(mxid)
 await app.set_nick(mxid, "First User")
+await app.set_avatar(mxid, "https://cdn.alemi.dev/profile/pic/someriver.jpg")
 await app.invite_to_room(room, mxid)
 await app.join_room(room, mxid)
+await app.set_presence(mxid, online=True)
 await app.send_message(room, "<b>hello world!</b>")
 ```
 
@@ -36,10 +38,10 @@ to subscribe to room events use the callback decorator:
 ```python
 from aioappsrv.matrix import Event
 
-room = "#my-epic-room:matrix.org"
 @app.callback(room)
 async def my_cb(event: Event):
-	print(f"{event.sender}: {event.content['body']}")
+	print(f"{event.room_id}| {event.sender} : {event.content['body']}")
+	await app.ack_event(event.room_id, event.event_id)
 ```
 
 ## state