added several new files

trigger.py

@@ -0,0 +1,8 @@
+from logger import getLogger
+from config import Config
+
+class Trigger:
+    def __init__(self, config: Config) -> None:
+        self.log = getLogger('trigger', loglevel=config.loglevel.upper())
+        self.log.info(f'initializing {self.__class__.__name__}')
+