change default log file name

DEBUG = True if os.getenv("JAMA_DEBUG") == "1" else False

JAMA_IIIF_ENDPOINT = os.getenv("JAMA_IIIF_ENDPOINT") or "http://localhost/iip/IIIF="

JAMA_LOG_FILE = os.getenv("JAMA_LOG_FILE") or "sql.log"

JAMA_LOG_FILE = os.getenv("JAMA_LOG_FILE") or "jama.log"

ALLOWED_HOSTS = ["*"]