add annotsRoll class and create it in main. Adapt main and pianoroll to allow horizontal or vertical view
import os.path
WEB_PORT = 8080
WS_PORT = 8090
OSC_PORT = 9090
CONN_STR = ''
STATIC_URL = '/static'
STATIC_ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)),'static')
from settings import *