refactor: code doesn't look like a freshman CS student wrote it anymore. Lots of abstraction

Author: jordanlambrecht

src/calendar_processor.py

@@ -25,7 +25,7 @@
 
 # Logging settings default
 DEFAULT_LOG_DIR = "/app/logs"
-DEFAULT_LOG_FILE = "calendar.log"
+DEFAULT_LOG_FILE = "calendarr.log"
 DEFAULT_LOG_BACKUP_COUNT = 15
 DEFAULT_LOG_MAX_SIZE_MB = 1